diff --git a/_plotly_utils/basevalidators.py b/_plotly_utils/basevalidators.py
index b55d7c99016..7faa31f0758 100644
--- a/_plotly_utils/basevalidators.py
+++ b/_plotly_utils/basevalidators.py
@@ -220,7 +220,7 @@ def description(self):
         """
         raise NotImplementedError()
 
-    def raise_invalid_val(self, v):
+    def raise_invalid_val(self, v, inds=None):
         """
         Helper method to raise an informative exception when an invalid
         value is passed to the validate_coerce method.
@@ -229,16 +229,25 @@ def raise_invalid_val(self, v):
         ----------
         v :
             Value that was input to validate_coerce and could not be coerced
+        inds: list of int or None (default)
+            Indexes to display after property name. e.g. if self.plotly_name
+            is 'prop' and inds=[2, 1] then the name in the validation error
+            message will be 'prop[2][1]`
         Raises
         -------
         ValueError
         """
+        name = self.plotly_name
+        if inds:
+            for i in inds:
+                name += '[' + str(i) + ']'
+
         raise ValueError("""
     Invalid value of type {typ} received for the '{name}' property of {pname}
         Received value: {v}
 
 {valid_clr_desc}""".format(
-            name=self.plotly_name,
+            name=name,
             pname=self.parent_name,
             typ=type_str(v),
             v=repr(v),
@@ -1611,7 +1620,8 @@ class InfoArrayValidator(BaseValidator):
             ],
             "otherOpts": [
                 "dflt",
-                "freeLength"
+                "freeLength",
+                "dimensions"
             ]
         }
     """
@@ -1621,10 +1631,14 @@ def __init__(self,
                  parent_name,
                  items,
                  free_length=None,
+                 dimensions=None,
                  **kwargs):
         super(InfoArrayValidator, self).__init__(
             plotly_name=plotly_name, parent_name=parent_name, **kwargs)
+
         self.items = items
+        self.dimensions = dimensions if dimensions else 1
+        self.free_length = free_length
 
         # Instantiate validators for each info array element
         self.item_validators = []
@@ -1637,22 +1651,87 @@ def __init__(self,
                 item, element_name, parent_name)
             self.item_validators.append(item_validator)
 
-        self.free_length = free_length
-
     def description(self):
-        upto = ' up to' if self.free_length else ''
+
+        # Cases
+        #  1) self.items is array, self.dimensions is 1
+        #       a) free_length=True
+        #       b) free_length=False
+        #  2) self.items is array, self.dimensions is 2
+        #     (requires free_length=True)
+        #  3) self.items is scalar (requires free_length=True)
+        #       a) dimensions=1
+        #       b) dimensions=2
+        #
+        # dimensions can be set to '1-2' to indicate the both are accepted
+        #
         desc = """\
-    The '{plotly_name}' property is an info array that may be specified as a
-    list or tuple of{upto} {N} elements where:
-""".format(plotly_name=self.plotly_name,
-           upto=upto,
+    The '{plotly_name}' property is an info array that may be specified as:\
+""".format(plotly_name=self.plotly_name)
+
+        if isinstance(self.items, list):
+            # ### Case 1 ###
+            if self.dimensions in (1, '1-2'):
+                upto = (' up to'
+                        if self.free_length and self.dimensions == 1
+                        else '')
+                desc += """
+
+    * a list or tuple of{upto} {N} elements where:\
+""".format(upto=upto,
            N=len(self.item_validators))
 
-        for i, item_validator in enumerate(self.item_validators):
-            el_desc = item_validator.description().strip()
-            desc = desc + """
+                for i, item_validator in enumerate(self.item_validators):
+                    el_desc = item_validator.description().strip()
+                    desc = desc + """
 ({i}) {el_desc}""".format(i=i, el_desc=el_desc)
 
+            # ### Case 2 ###
+            if self.dimensions in ('1-2', 2):
+                assert self.free_length
+
+                desc += """
+
+    * a 2D list where:"""
+                for i, item_validator in enumerate(self.item_validators):
+                    # Update name for 2d
+                    orig_name = item_validator.plotly_name
+                    item_validator.plotly_name = "{name}[i][{i}]".format(
+                        name=self.plotly_name, i=i)
+
+                    el_desc = item_validator.description().strip()
+                    desc = desc + """
+({i}) {el_desc}""".format(i=i, el_desc=el_desc)
+                    item_validator.plotly_name = orig_name
+        else:
+            # ### Case 3 ###
+            assert self.free_length
+            item_validator = self.item_validators[0]
+            orig_name = item_validator.plotly_name
+
+            if self.dimensions in (1, '1-2'):
+                item_validator.plotly_name = "{name}[i]".format(
+                    name=self.plotly_name)
+
+                el_desc = item_validator.description().strip()
+
+                desc += """
+    * a list of elements where:
+      {el_desc}
+""".format(el_desc=el_desc)
+
+            if self.dimensions in ('1-2', 2):
+                item_validator.plotly_name = "{name}[i][j]".format(
+                    name=self.plotly_name)
+
+                el_desc = item_validator.description().strip()
+                desc += """
+    * a 2D list where:
+      {el_desc}
+""".format(el_desc=el_desc)
+
+            item_validator.plotly_name = orig_name
+
         return desc
 
     @staticmethod
@@ -1670,19 +1749,106 @@ def build_validator(validator_info, plotly_name, parent_name):
         return validator_class(
             plotly_name=plotly_name, parent_name=parent_name, **kwargs)
 
+    def validate_element_with_indexed_name(self, val, validator, inds):
+        """
+        Helper to add indexes to a validator's name, call validate_coerce on
+        a value, then restore the original validator name.
+
+        This makes sure that if a validation error message is raised, the
+        property name the user sees includes the index(es) of the offending
+        element.
+
+        Parameters
+        ----------
+        val:
+            A value to be validated
+        validator
+            A validator
+        inds
+            List of one or more non-negative integers that represent the
+            nested index of the value being validated
+        Returns
+        -------
+        val
+            validated value
+
+        Raises
+        ------
+        ValueError
+            if val fails validation
+        """
+        orig_name = validator.plotly_name
+        new_name = self.plotly_name
+        for i in inds:
+            new_name += '[' + str(i) + ']'
+        validator.plotly_name = new_name
+        try:
+            val = validator.validate_coerce(val)
+        finally:
+            validator.plotly_name = orig_name
+
+        return val
+
     def validate_coerce(self, v):
         if v is None:
             # Pass None through
-            pass
+            return None
         elif not is_array(v):
             self.raise_invalid_val(v)
+
+        # Save off original v value to use in error reporting
+        orig_v = v
+
+        # Convert everything into nested lists
+        # This way we don't need to worry about nested numpy arrays
+        v = to_scalar_or_list(v)
+
+        is_v_2d = v and is_array(v[0])
+
+        if is_v_2d:
+            if self.dimensions == 1:
+                self.raise_invalid_val(orig_v)
+            else:  # self.dimensions is '1-2' or 2
+                if is_array(self.items):
+                    # e.g. 2D list as parcoords.dimensions.constraintrange
+                    # check that all items are there for each nested element
+                    for i, row in enumerate(v):
+                        # Check row length
+                        if not is_array(row) or len(row) != len(self.items):
+                            self.raise_invalid_val(orig_v[i], [i])
+
+                        for j, validator in enumerate(self.item_validators):
+                            row[j] = self.validate_element_with_indexed_name(
+                                v[i][j], validator, [i, j])
+                else:
+                    # e.g. 2D list as layout.grid.subplots
+                    # check that all elements match individual validator
+                    validator = self.item_validators[0]
+                    for i, row in enumerate(v):
+                        if not is_array(row):
+                            self.raise_invalid_val(orig_v[i], [i])
+
+                        for j, el in enumerate(row):
+                            row[j] = self.validate_element_with_indexed_name(
+                                el, validator, [i, j])
+        elif v and self.dimensions == 2:
+            # e.g. 1D list passed as layout.grid.subplots
+            self.raise_invalid_val(orig_v[0], [0])
+        elif not is_array(self.items):
+            # e.g. 1D list passed as layout.grid.xaxes
+            validator = self.item_validators[0]
+            for i, el in enumerate(v):
+                v[i] = self.validate_element_with_indexed_name(
+                    el, validator, [i])
+
         elif not self.free_length and len(v) != len(self.item_validators):
-            self.raise_invalid_val(v)
+            # e.g. 3 element list as layout.xaxis.range
+            self.raise_invalid_val(orig_v)
         elif self.free_length and len(v) > len(self.item_validators):
-            self.raise_invalid_val(v)
+            # e.g. 4 element list as layout.updatemenu.button.args
+            self.raise_invalid_val(orig_v)
         else:
-            # We have an array of the correct length
-            v = to_scalar_or_list(v)
+            # We have a 1D array of the correct length
             for i, (el, validator) in enumerate(zip(v, self.item_validators)):
                 # Validate coerce elements
                 v[i] = validator.validate_coerce(el)
@@ -1693,13 +1859,28 @@ def present(self, v):
         if v is None:
             return None
         else:
-            # Call present on each of the item validators
-            for i, (el, validator) in enumerate(zip(v, self.item_validators)):
-                # Validate coerce elements
-                v[i] = validator.present(el)
+            if (self.dimensions == 2 or
+                    self.dimensions == '1-2' and v and is_array(v[0])):
 
-            # Return tuple form of
-            return tuple(v)
+                # 2D case
+                v = copy.deepcopy(v)
+                for row in v:
+                    for i, (el, validator) in enumerate(
+                            zip(row, self.item_validators)):
+                        row[i] = validator.present(el)
+
+                return tuple(tuple(row) for row in v)
+            else:
+                # 1D case
+                v = copy.copy(v)
+                # Call present on each of the item validators
+                for i, (el, validator) in enumerate(
+                        zip(v, self.item_validators)):
+                    # Validate coerce elements
+                    v[i] = validator.present(el)
+
+                # Return tuple form of
+                return tuple(v)
 
 
 class LiteralValidator(BaseValidator):
diff --git a/_plotly_utils/tests/validators/test_infoarray_validator.py b/_plotly_utils/tests/validators/test_infoarray_validator.py
index 11fd09860e1..84bd284c418 100644
--- a/_plotly_utils/tests/validators/test_infoarray_validator.py
+++ b/_plotly_utils/tests/validators/test_infoarray_validator.py
@@ -26,6 +26,42 @@ def validator_number3_free():
         {'valType': 'number', 'min': 0, 'max': 1}], free_length=True)
 
 
+@pytest.fixture()
+def validator_number2_2d():
+    return InfoArrayValidator('prop', 'parent', items=[
+        {'valType': 'number', 'min': 0, 'max': 1},
+        {'valType': 'number', 'min': 0, 'max': 1}],
+                              free_length=True,
+                              dimensions=2)
+
+
+@pytest.fixture()
+def validator_number2_12d():
+    return InfoArrayValidator('prop', 'parent', items=[
+        {'valType': 'number', 'min': 0, 'max': 1},
+        {'valType': 'number', 'min': 0, 'max': 1}],
+                              free_length=True,
+                              dimensions='1-2')
+
+
+@pytest.fixture()
+def validator_number_free_1d():
+    return InfoArrayValidator('prop', 'parent',
+                              items={'valType': 'number',
+                                     'min': 0, 'max': 1},
+                              free_length=True,
+                              dimensions=1)
+
+
+@pytest.fixture()
+def validator_number_free_2d():
+    return InfoArrayValidator('prop', 'parent',
+                              items={'valType': 'number',
+                                     'min': 0, 'max': 1},
+                              free_length=True,
+                              dimensions=2)
+
+
 # Any2 Tests
 # ----------
 # ### Acceptance ###
@@ -38,6 +74,12 @@ def test_validator_acceptance_any2(val, validator_any2):
     assert validator_any2.present(coerce_val) == tuple(val)
 
 
+def test_validator_acceptance_any2_none(validator_any2):
+    coerce_val = validator_any2.validate_coerce(None)
+    assert coerce_val is None
+    assert validator_any2.present(coerce_val) is None
+
+
 # ### Rejection by type ###
 @pytest.mark.parametrize('val', [
     'Not a list', 123, set(), {}
@@ -46,7 +88,7 @@ def test_validator_rejection_any2_type(val, validator_any2):
     with pytest.raises(ValueError) as validation_failure:
         validator_any2.validate_coerce(val)
 
-    assert 'must be a list or tuple.' in str(validation_failure.value)
+    assert 'Invalid value' in str(validation_failure.value)
 
 
 # ### Rejection by length ###
@@ -80,7 +122,7 @@ def test_validator_rejection_number3_length(val, validator_number3):
     with pytest.raises(ValueError) as validation_failure:
         validator_number3.validate_coerce(val)
 
-    assert 'must be a list or tuple of length 3.' in str(validation_failure.value)
+    assert 'Invalid value' in str(validation_failure.value)
 
 
 # ### Rejection by element type ###
@@ -89,11 +131,11 @@ def test_validator_rejection_number3_length(val, validator_number3):
     ((0.1, set(), 0.99), 1),
     ([[], '2', {}], 0)
 ])
-def test_validator_rejection_number3_length(val, first_invalid_ind, validator_number3):
+def test_validator_rejection_number3_element_type(val, first_invalid_ind, validator_number3):
     with pytest.raises(ValueError) as validation_failure:
         validator_number3.validate_coerce(val)
 
-    assert 'The prop[%d] property of parent must be a number.' % first_invalid_ind in str(validation_failure.value)
+    assert 'Invalid value' in str(validation_failure.value)
 
 
 # ### Rejection by element value ###
@@ -103,12 +145,11 @@ def test_validator_rejection_number3_length(val, first_invalid_ind, validator_nu
     ((0.1, -0.4, 0.99), 1),
     ([-1, 1, 0], 0)
 ])
-def test_validator_rejection_number3_length(val, first_invalid_ind, validator_number3):
+def test_validator_rejection_number3_element_value(val, first_invalid_ind, validator_number3):
     with pytest.raises(ValueError) as validation_failure:
         validator_number3.validate_coerce(val)
 
-    assert ('The prop[%d] property of parent must be in the range [0, 1]' % first_invalid_ind
-            in str(validation_failure.value))
+    assert ('in the interval [0, 1]' in str(validation_failure.value))
 
 
 # Number3 Tests (free_length=True)
@@ -130,7 +171,7 @@ def test_validator_acceptance_number3_free(val, validator_number3_free):
 @pytest.mark.parametrize('val', [
     'Not a list', 123, set(), {}
 ])
-def test_validator_rejection_any2_type(val, validator_number3_free):
+def test_validator_rejection_number3_free_type(val, validator_number3_free):
     with pytest.raises(ValueError) as validation_failure:
         validator_number3_free.validate_coerce(val)
 
@@ -152,12 +193,312 @@ def test_validator_rejection_number3_free_length(val, validator_number3_free):
 @pytest.mark.parametrize('val,first_invalid_ind', [
     ([1, 0, '0.5'], 2),
     ((0.1, set()), 1),
-    ([[]], 0)
+    ([{}], 0)
 ])
-def test_validator_rejection_number3_length(val, first_invalid_ind, validator_number3_free):
+def test_validator_rejection_number3_free_element_type(val, first_invalid_ind, validator_number3_free):
     with pytest.raises(ValueError) as validation_failure:
         validator_number3_free.validate_coerce(val)
 
     assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
-            .format(typ= type_str(val[first_invalid_ind]),
+            .format(typ=type_str(val[first_invalid_ind]),
+                    first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# ### Rejection by element value ###
+@pytest.mark.parametrize('val,first_invalid_ind', [
+    ([1, 0, -0.5], 2),
+    ((0.1, 2), 1),
+    ([99], 0)
+])
+def test_validator_rejection_number3_free_element_value(val, first_invalid_ind, validator_number3_free):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number3_free.validate_coerce(val)
+
+    assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
+            .format(typ=type_str(val[first_invalid_ind]),
+                    first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# Number2 2D
+# ----------
+# ### Acceptance ###
+@pytest.mark.parametrize('val', [
+    [],
+    [[1, 0]],
+    [(0.1, 0.99)],
+    np.array([[0.1, 0.99]]),
+    [np.array([0.1, 0.4]), [0.2, 0], (0.9, 0.5)]
+])
+def test_validator_acceptance_number2_2d(val, validator_number2_2d):
+    coerce_val = validator_number2_2d.validate_coerce(val)
+    assert coerce_val == list((list(row) for row in val))
+    expected = tuple([tuple(e) for e in val])
+    assert validator_number2_2d.present(coerce_val) == expected
+
+
+# ### Rejection by type ###
+@pytest.mark.parametrize('val', [
+    'Not a list', 123, set(), {},
+])
+def test_validator_rejection_number2_2d_type(val, validator_number2_2d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number2_2d.validate_coerce(val)
+
+    assert 'Invalid value' in str(validation_failure.value)
+
+
+# ### Rejection by element type ###
+@pytest.mark.parametrize('val,first_invalid_ind', [
+    ([[1, 0], [0.2, 0.4], 'string'], 2),
+    ([[0.1, 0.7], set()], 1),
+    (['bogus'], 0)
+])
+def test_validator_rejection_number2_2d_element_type(val, first_invalid_ind, validator_number2_2d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number2_2d.validate_coerce(val)
+
+    assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
+            .format(typ=type_str(val[first_invalid_ind]),
+                    first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# ### Rejection by element length ###
+@pytest.mark.parametrize('val,first_invalid_ind', [
+    ([[1, 0], [0.2, 0.4], [0.2]], 2),
+    ([[0.1, 0.7], [0, .1, .4]], 1),
+    ([[]], 0)
+])
+def test_validator_rejection_number2_2d_element_length(val, first_invalid_ind, validator_number2_2d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number2_2d.validate_coerce(val)
+
+    assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
+            .format(typ=type_str(val[first_invalid_ind]),
+                    first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# ### Rejection by element value ###
+@pytest.mark.parametrize('val,invalid_inds', [
+    ([[1, 0], [0.2, 0.4], [0.2, 1.2]], [2, 1]),
+    ([[0.1, 0.7], [-2, .1]], [1, 0]),
+    ([[99, 0.3]], [0, 0])
+])
+def test_validator_rejection_number2_2d_element_value(val, invalid_inds, validator_number2_2d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number2_2d.validate_coerce(val)
+
+    invalid_val = val[invalid_inds[0]][invalid_inds[1]]
+    invalid_name = 'prop[{}][{}]'.format(*invalid_inds)
+    assert ("Invalid value of type {typ} received for the '{invalid_name}' property of parent"
+            .format(typ=type_str(invalid_val),
+                    invalid_name=invalid_name)) in str(validation_failure.value)
+
+
+# Number2 '1-2'
+# -------------
+# ### Acceptance ###
+@pytest.mark.parametrize('val', [
+    [],
+    [1, 0],
+    (0.1, 0.99),
+    np.array([0.1, 0.99])
+])
+def test_validator_acceptance_number2_12d_1d(val, validator_number2_12d):
+    coerce_val = validator_number2_12d.validate_coerce(val)
+    assert coerce_val == list(val)
+    expected = tuple(val)
+    assert validator_number2_12d.present(coerce_val) == expected
+
+
+@pytest.mark.parametrize('val', [
+    [],
+    [[1, 0]],
+    [(0.1, 0.99)],
+    np.array([[0.1, 0.99]]),
+    [np.array([0.1, 0.4]), [0.2, 0], (0.9, 0.5)]
+])
+def test_validator_acceptance_number2_12d_2d(val, validator_number2_12d):
+    coerce_val = validator_number2_12d.validate_coerce(val)
+    assert coerce_val == list((list(row) for row in val))
+    expected = tuple([tuple(e) for e in val])
+    assert validator_number2_12d.present(coerce_val) == expected
+
+
+# ### Rejection by type / length###
+@pytest.mark.parametrize('val', [
+    'Not a list', 123, set(), {}, [0.1, 0.3, 0.2]
+])
+def test_validator_rejection_number2_12d_type(val, validator_number2_12d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number2_12d.validate_coerce(val)
+
+    assert 'Invalid value' in str(validation_failure.value)
+
+
+# ### Rejection by element type 2D ###
+@pytest.mark.parametrize('val,first_invalid_ind', [
+    ([[1, 0], [0.2, 0.4], 'string'], 2),
+    ([[0.1, 0.7], set()], 1),
+    (['bogus'], 0)
+])
+def test_validator_rejection_number2_12d_element_type(val, first_invalid_ind, validator_number2_12d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number2_12d.validate_coerce(val)
+
+    assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
+            .format(typ=type_str(val[first_invalid_ind]),
+                    first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# ### Rejection by element length ###
+@pytest.mark.parametrize('val,first_invalid_ind', [
+    ([[1, 0], [0.2, 0.4], [0.2]], 2),
+    ([[0.1, 0.7], [0, .1, .4]], 1),
+    ([[]], 0)
+])
+def test_validator_rejection_number2_12d_element_length(val, first_invalid_ind, validator_number2_12d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number2_12d.validate_coerce(val)
+
+    assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
+            .format(typ=type_str(val[first_invalid_ind]),
+                    first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# ### Rejection by element value ###
+@pytest.mark.parametrize('val,invalid_inds', [
+    ([[1, 0], [0.2, 0.4], [0.2, 1.2]], [2, 1]),
+    ([[0.1, 0.7], [-2, .1]], [1, 0]),
+    ([[99, 0.3]], [0, 0]),
+    ([0.1, 1.2], [1]),
+    ([-0.1, 0.99], [0]),
+])
+def test_validator_rejection_number2_12d_element_value(val, invalid_inds, validator_number2_12d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number2_12d.validate_coerce(val)
+
+    if len(invalid_inds) > 1:
+        invalid_val = val[invalid_inds[0]][invalid_inds[1]]
+        invalid_name = 'prop[{}][{}]'.format(*invalid_inds)
+    else:
+        invalid_val = val[invalid_inds[0]]
+        invalid_name = 'prop[{}]'.format(*invalid_inds)
+
+    assert ("Invalid value of type {typ} received for the '{invalid_name}' property of parent"
+            .format(typ=type_str(invalid_val),
+                    invalid_name=invalid_name)) in str(validation_failure.value)
+
+
+# Number free 1D
+# --------------
+@pytest.mark.parametrize('val', [
+    [],
+    [1, 0],
+    (0.1, 0.99, 0.4),
+    np.array([0.1, 0.4, 0.5, 0.1, 0.6, 0.99])
+])
+def test_validator_acceptance_number_free_1d(val, validator_number_free_1d):
+    coerce_val = validator_number_free_1d.validate_coerce(val)
+    assert coerce_val == list(val)
+    expected = tuple(val)
+    assert validator_number_free_1d.present(coerce_val) == expected
+
+
+# ### Rejection by type ###
+@pytest.mark.parametrize('val', [
+    'Not a list', 123, set(), {},
+])
+def test_validator_rejection_number_free_1d_type(val, validator_number_free_1d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number_free_1d.validate_coerce(val)
+
+    assert 'Invalid value' in str(validation_failure.value)
+
+
+# ### Rejection by element type ###
+@pytest.mark.parametrize('val,first_invalid_ind', [
+    ([1, 0, 0.3, 0.5, '0.5', 0.2], 4),
+    ((0.1, set()), 1),
+    ([{}], 0)
+])
+def test_validator_rejection_number_free_1d_element_type(val, first_invalid_ind, validator_number_free_1d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number_free_1d.validate_coerce(val)
+
+    assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
+            .format(typ=type_str(val[first_invalid_ind]),
+                    first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# ### Rejection by element value ###
+@pytest.mark.parametrize('val,first_invalid_ind', [
+    ([1, 0, 0.3, 0.999, -0.5], 4),
+    ((0.1, 2, 0.8), 1),
+    ([99, 0.3], 0)
+])
+def test_validator_rejection_number_free_1d_element_value(val, first_invalid_ind, validator_number_free_1d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number_free_1d.validate_coerce(val)
+
+    assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
+            .format(typ=type_str(val[first_invalid_ind]),
                     first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# Number free 2D
+# --------------
+@pytest.mark.parametrize('val', [
+    [],
+    [[1, 0]],
+    [(0.1, 0.99)],
+    np.array([[0.1, 0.99]]),
+    [np.array([0.1, 0.4]), [0.2, 0], (0.9, 0.5)]
+])
+def test_validator_acceptance_number_free_2d(val, validator_number_free_2d):
+    coerce_val = validator_number_free_2d.validate_coerce(val)
+    assert coerce_val == list((list(row) for row in val))
+    expected = tuple([tuple(e) for e in val])
+    assert validator_number_free_2d.present(coerce_val) == expected
+
+
+# ### Rejection by type ###
+@pytest.mark.parametrize('val', [
+    'Not a list', 123, set(), {},
+])
+def test_validator_rejection_number_free_2d_type(val, validator_number_free_2d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number_free_2d.validate_coerce(val)
+
+    assert 'Invalid value' in str(validation_failure.value)
+
+
+# ### Rejection by element type ###
+@pytest.mark.parametrize('val,first_invalid_ind', [
+    ([[1, 0], [0.2, 0.4], 'string'], 2),
+    ([[0.1, 0.7], set()], 1),
+    (['bogus'], 0)
+])
+def test_validator_rejection_number_free_2d_element_type(val, first_invalid_ind, validator_number_free_2d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number_free_2d.validate_coerce(val)
+
+    assert ("Invalid value of type {typ} received for the 'prop[{first_invalid_ind}]' property of parent"
+            .format(typ=type_str(val[first_invalid_ind]),
+                    first_invalid_ind=first_invalid_ind)) in str(validation_failure.value)
+
+
+# ### Rejection by element value ###
+@pytest.mark.parametrize('val,invalid_inds', [
+    ([[1, 0], [0.2, 0.4], [0.2, 1.2]], [2, 1]),
+    ([[0.1, 0.7], [-2, .1]], [1, 0]),
+    ([[99, 0.3]], [0, 0])
+])
+def test_validator_rejection_number_free_2d_element_value(val, invalid_inds, validator_number_free_2d):
+    with pytest.raises(ValueError) as validation_failure:
+        validator_number_free_2d.validate_coerce(val)
+
+    invalid_val = val[invalid_inds[0]][invalid_inds[1]]
+    invalid_name = 'prop[{}][{}]'.format(*invalid_inds)
+    assert ("Invalid value of type {typ} received for the '{invalid_name}' property of parent"
+            .format(typ=type_str(invalid_val),
+                    invalid_name=invalid_name)) in str(validation_failure.value)
diff --git a/codegen/utils.py b/codegen/utils.py
index 41b1c3f218c..d13a4788c4e 100644
--- a/codegen/utils.py
+++ b/codegen/utils.py
@@ -146,9 +146,10 @@ def format_description(desc):
     desc = re.sub('(^|[\s(,.:])\*(\S+)\*([\s),.:]|$)', r'\1"\2"\3', desc)
 
     # Special case strings that don't satisfy regex above
-    other_strings = ['Courier New', 'Droid Sans', 'Droid Serif',
+    other_strings = ['', 'Courier New', 'Droid Sans', 'Droid Serif',
                      'Droid Sans Mono', 'Gravitas One', 'Old Standard TT',
-                     'Open Sans', 'PT Sans Narrow', 'Times New Roman']
+                     'Open Sans', 'PT Sans Narrow', 'Times New Roman',
+                     'bottom plot', 'top plot']
 
     for s in other_strings:
         desc = desc.replace("*%s*" % s, '"%s"' % s)
diff --git a/plotly/graph_objs/_choropleth.py b/plotly/graph_objs/_choropleth.py
index 57668cf8a74..e2baf138ad3 100644
--- a/plotly/graph_objs/_choropleth.py
+++ b/plotly/graph_objs/_choropleth.py
@@ -192,7 +192,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_cone.py b/plotly/graph_objs/_cone.py
index 0a62c33db93..a4afc77c5b4 100644
--- a/plotly/graph_objs/_cone.py
+++ b/plotly/graph_objs/_cone.py
@@ -281,7 +281,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_contour.py b/plotly/graph_objs/_contour.py
index df1710f1e1a..9b970c70ec9 100644
--- a/plotly/graph_objs/_contour.py
+++ b/plotly/graph_objs/_contour.py
@@ -214,7 +214,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_contourcarpet.py b/plotly/graph_objs/_contourcarpet.py
index 4bbb419c261..5e364df2f7c 100644
--- a/plotly/graph_objs/_contourcarpet.py
+++ b/plotly/graph_objs/_contourcarpet.py
@@ -408,7 +408,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_figure.py b/plotly/graph_objs/_figure.py
index 0741cf0a059..541adff8dd8 100644
--- a/plotly/graph_objs/_figure.py
+++ b/plotly/graph_objs/_figure.py
@@ -3558,7 +3558,7 @@ def add_histogram(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
@@ -3850,7 +3850,7 @@ def add_histogram2d(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
@@ -4172,7 +4172,7 @@ def add_histogram2dcontour(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
diff --git a/plotly/graph_objs/_figurewidget.py b/plotly/graph_objs/_figurewidget.py
index 58bd0253ff4..78d1f2ac956 100644
--- a/plotly/graph_objs/_figurewidget.py
+++ b/plotly/graph_objs/_figurewidget.py
@@ -3558,7 +3558,7 @@ def add_histogram(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
@@ -3850,7 +3850,7 @@ def add_histogram2d(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
@@ -4172,7 +4172,7 @@ def add_histogram2dcontour(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
diff --git a/plotly/graph_objs/_heatmap.py b/plotly/graph_objs/_heatmap.py
index 2ed8ddefdcd..76b8b09fc92 100644
--- a/plotly/graph_objs/_heatmap.py
+++ b/plotly/graph_objs/_heatmap.py
@@ -191,7 +191,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_heatmapgl.py b/plotly/graph_objs/_heatmapgl.py
index 308aaf6bb4c..5e5c320ce2a 100644
--- a/plotly/graph_objs/_heatmapgl.py
+++ b/plotly/graph_objs/_heatmapgl.py
@@ -192,7 +192,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_histogram.py b/plotly/graph_objs/_histogram.py
index 41b5b1ae28e..3b1c133b873 100644
--- a/plotly/graph_objs/_histogram.py
+++ b/plotly/graph_objs/_histogram.py
@@ -84,7 +84,7 @@ def cumulative(self):
                     and `centralbin` attributes to tune the
                     accumulation method. Note: in this mode, the
                     "density" `histnorm` settings behave the same
-                    as their equivalents without "density": ** and
+                    as their equivalents without "density": "" and
                     "density" both rise to the number of data
                     points, and "probability" and *probability
                     density* both rise to the number of sample
@@ -335,7 +335,7 @@ def histfunc(self, val):
     def histnorm(self):
         """
         Specifies the type of normalization used for this histogram
-        trace. If **, the span of each bar corresponds to the number of
+        trace. If "", the span of each bar corresponds to the number of
         occurrences (i.e. the number of data points lying inside the
         bins). If "percent" / "probability", the span of each bar
         corresponds to the percentage / fraction of occurrences with
@@ -1255,7 +1255,7 @@ def _prop_descriptions(self):
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
@@ -1473,7 +1473,7 @@ def __init__(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
diff --git a/plotly/graph_objs/_histogram2d.py b/plotly/graph_objs/_histogram2d.py
index fb158655b0a..37b8aa29ead 100644
--- a/plotly/graph_objs/_histogram2d.py
+++ b/plotly/graph_objs/_histogram2d.py
@@ -239,7 +239,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -412,7 +412,7 @@ def histfunc(self, val):
     def histnorm(self):
         """
         Specifies the type of normalization used for this histogram
-        trace. If **, the span of each bar corresponds to the number of
+        trace. If "", the span of each bar corresponds to the number of
         occurrences (i.e. the number of data points lying inside the
         bins). If "percent" / "probability", the span of each bar
         corresponds to the percentage / fraction of occurrences with
@@ -1376,7 +1376,7 @@ def _prop_descriptions(self):
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
@@ -1629,7 +1629,7 @@ def __init__(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
diff --git a/plotly/graph_objs/_histogram2dcontour.py b/plotly/graph_objs/_histogram2dcontour.py
index 26cb96eebec..5802afd9163 100644
--- a/plotly/graph_objs/_histogram2dcontour.py
+++ b/plotly/graph_objs/_histogram2dcontour.py
@@ -262,7 +262,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -521,7 +521,7 @@ def histfunc(self, val):
     def histnorm(self):
         """
         Specifies the type of normalization used for this histogram
-        trace. If **, the span of each bar corresponds to the number of
+        trace. If "", the span of each bar corresponds to the number of
         occurrences (i.e. the number of data points lying inside the
         bins). If "percent" / "probability", the span of each bar
         corresponds to the percentage / fraction of occurrences with
@@ -1494,7 +1494,7 @@ def _prop_descriptions(self):
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
@@ -1759,7 +1759,7 @@ def __init__(
             respectively.
         histnorm
             Specifies the type of normalization used for this
-            histogram trace. If **, the span of each bar
+            histogram trace. If "", the span of each bar
             corresponds to the number of occurrences (i.e. the
             number of data points lying inside the bins). If
             "percent" / "probability", the span of each bar
diff --git a/plotly/graph_objs/_layout.py b/plotly/graph_objs/_layout.py
index f7f3a6dbd43..de59eb21101 100644
--- a/plotly/graph_objs/_layout.py
+++ b/plotly/graph_objs/_layout.py
@@ -934,7 +934,7 @@ def grid(self):
                     Used for freeform grids, where some axes may be
                     shared across subplots but others are not. Each
                     entry should be a cartesian subplot id, like
-                    "xy" or "x3y2", or ** to leave that cell empty.
+                    "xy" or "x3y2", or "" to leave that cell empty.
                     You may reuse x axes within the same column,
                     and y axes within the same row. Non-cartesian
                     subplots and traces that support `domain` can
@@ -944,8 +944,8 @@ def grid(self):
                     Used with `yaxes` when the x and y axes are
                     shared across columns and rows. Each entry
                     should be an x axis id like "x", "x2", etc., or
-                    ** to not put an x axis in that column. Entries
-                    other than ** must be unique. Ignored if
+                    "" to not put an x axis in that column. Entries
+                    other than "" must be unique. Ignored if
                     `subplots` is present. If missing but `yaxes`
                     is present, will generate consecutive IDs.
                 xgap
@@ -956,15 +956,15 @@ def grid(self):
                 xside
                     Sets where the x axis labels and titles go.
                     "bottom" means the very bottom of the grid.
-                    *bottom plot* is the lowest plot that each x
-                    axis is used in. "top" and *top plot* are
+                    "bottom plot" is the lowest plot that each x
+                    axis is used in. "top" and "top plot" are
                     similar.
                 yaxes
                     Used with `yaxes` when the x and y axes are
                     shared across columns and rows. Each entry
                     should be an y axis id like "y", "y2", etc., or
-                    ** to not put a y axis in that row. Entries
-                    other than ** must be unique. Ignored if
+                    "" to not put a y axis in that row. Entries
+                    other than "" must be unique. Ignored if
                     `subplots` is present. If missing but `xaxes`
                     is present, will generate consecutive IDs.
                 ygap
@@ -2979,7 +2979,7 @@ def xaxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -3366,7 +3366,7 @@ def yaxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_mesh3d.py b/plotly/graph_objs/_mesh3d.py
index afdc8bbd12c..09e422709ea 100644
--- a/plotly/graph_objs/_mesh3d.py
+++ b/plotly/graph_objs/_mesh3d.py
@@ -354,7 +354,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_splom.py b/plotly/graph_objs/_splom.py
index 1d6cd7bed12..b3b9c5881a0 100644
--- a/plotly/graph_objs/_splom.py
+++ b/plotly/graph_objs/_splom.py
@@ -764,10 +764,9 @@ def xaxes(self):
         default, a splom will match the first N xaxes where N is the
         number of input dimensions.
     
-        The 'xaxes' property is an info array that may be specified as a
-        list or tuple of up to 1 elements where:
-    
-    (0) The 'xaxes[0]' property is an identifier of a particular
+        The 'xaxes' property is an info array that may be specified as:
+        * a list of elements where:
+          The 'xaxes[i]' property is an identifier of a particular
         subplot, of type 'x', that may be specified as the string 'x'
         optionally followed by an integer >= 1
         (e.g. 'x', 'x1', 'x2', 'x3', etc.)
@@ -791,10 +790,9 @@ def yaxes(self):
         default, a splom will match the first N yaxes where N is the
         number of input dimensions.
     
-        The 'yaxes' property is an info array that may be specified as a
-        list or tuple of up to 1 elements where:
-    
-    (0) The 'yaxes[0]' property is an identifier of a particular
+        The 'yaxes' property is an info array that may be specified as:
+        * a list of elements where:
+          The 'yaxes[i]' property is an identifier of a particular
         subplot, of type 'y', that may be specified as the string 'y'
         optionally followed by an integer >= 1
         (e.g. 'y', 'y1', 'y2', 'y3', etc.)
diff --git a/plotly/graph_objs/_streamtube.py b/plotly/graph_objs/_streamtube.py
index f1ae2ebc97d..1f358dbd472 100644
--- a/plotly/graph_objs/_streamtube.py
+++ b/plotly/graph_objs/_streamtube.py
@@ -259,7 +259,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_surface.py b/plotly/graph_objs/_surface.py
index f68a03f5c4c..f588a980be7 100644
--- a/plotly/graph_objs/_surface.py
+++ b/plotly/graph_objs/_surface.py
@@ -258,7 +258,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/_violin.py b/plotly/graph_objs/_violin.py
index f4cb930578e..8c077ed779c 100644
--- a/plotly/graph_objs/_violin.py
+++ b/plotly/graph_objs/_violin.py
@@ -753,9 +753,9 @@ def span(self):
         be computed. Has an effect only when `spanmode` is set to
         "manual".
     
-        The 'span' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'span' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'span[0]' property accepts values of any type
     (1) The 'span[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/bar/_marker.py b/plotly/graph_objs/bar/_marker.py
index 039af6cbe8a..2ee8b1c8d1e 100644
--- a/plotly/graph_objs/bar/_marker.py
+++ b/plotly/graph_objs/bar/_marker.py
@@ -329,7 +329,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/bar/marker/_colorbar.py b/plotly/graph_objs/bar/marker/_colorbar.py
index 1af94049b04..49c7bb6bedb 100644
--- a/plotly/graph_objs/bar/marker/_colorbar.py
+++ b/plotly/graph_objs/bar/marker/_colorbar.py
@@ -847,7 +847,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1346,7 +1346,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1582,7 +1582,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/bar/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/bar/marker/colorbar/_tickformatstop.py
index 24ab58e4556..2ec155427ef 100644
--- a/plotly/graph_objs/bar/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/bar/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/barpolar/_marker.py b/plotly/graph_objs/barpolar/_marker.py
index cdb1f60cfef..e7def1abda3 100644
--- a/plotly/graph_objs/barpolar/_marker.py
+++ b/plotly/graph_objs/barpolar/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/barpolar/marker/_colorbar.py b/plotly/graph_objs/barpolar/marker/_colorbar.py
index 4c9cc792dda..ae97f31fe78 100644
--- a/plotly/graph_objs/barpolar/marker/_colorbar.py
+++ b/plotly/graph_objs/barpolar/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/barpolar/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/barpolar/marker/colorbar/_tickformatstop.py
index d0716ed9c44..e2d98b3e771 100644
--- a/plotly/graph_objs/barpolar/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/barpolar/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/carpet/_aaxis.py b/plotly/graph_objs/carpet/_aaxis.py
index a7f24f03711..1b3f577b627 100644
--- a/plotly/graph_objs/carpet/_aaxis.py
+++ b/plotly/graph_objs/carpet/_aaxis.py
@@ -749,9 +749,9 @@ def range(self):
         should be numbers, using the scale where each category is
         assigned a serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/carpet/_baxis.py b/plotly/graph_objs/carpet/_baxis.py
index 480b12fef52..7c2e029ae6f 100644
--- a/plotly/graph_objs/carpet/_baxis.py
+++ b/plotly/graph_objs/carpet/_baxis.py
@@ -749,9 +749,9 @@ def range(self):
         should be numbers, using the scale where each category is
         assigned a serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/carpet/aaxis/_tickformatstop.py b/plotly/graph_objs/carpet/aaxis/_tickformatstop.py
index 43db5837f37..8155edc2153 100644
--- a/plotly/graph_objs/carpet/aaxis/_tickformatstop.py
+++ b/plotly/graph_objs/carpet/aaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/carpet/baxis/_tickformatstop.py b/plotly/graph_objs/carpet/baxis/_tickformatstop.py
index e370918ae68..bcb6ee66055 100644
--- a/plotly/graph_objs/carpet/baxis/_tickformatstop.py
+++ b/plotly/graph_objs/carpet/baxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/choropleth/_colorbar.py b/plotly/graph_objs/choropleth/_colorbar.py
index b9bce6a9b79..137911f014c 100644
--- a/plotly/graph_objs/choropleth/_colorbar.py
+++ b/plotly/graph_objs/choropleth/_colorbar.py
@@ -847,7 +847,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1346,7 +1346,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1582,7 +1582,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/choropleth/colorbar/_tickformatstop.py b/plotly/graph_objs/choropleth/colorbar/_tickformatstop.py
index bde28758a9e..34c84613422 100644
--- a/plotly/graph_objs/choropleth/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/choropleth/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/cone/_colorbar.py b/plotly/graph_objs/cone/_colorbar.py
index 332c0caef13..e1ea8a7c851 100644
--- a/plotly/graph_objs/cone/_colorbar.py
+++ b/plotly/graph_objs/cone/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1583,7 +1583,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/cone/colorbar/_tickformatstop.py b/plotly/graph_objs/cone/colorbar/_tickformatstop.py
index 6b33a6a8e77..024ed03207a 100644
--- a/plotly/graph_objs/cone/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/cone/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/contour/_colorbar.py b/plotly/graph_objs/contour/_colorbar.py
index 2d70947a19a..6333acee73e 100644
--- a/plotly/graph_objs/contour/_colorbar.py
+++ b/plotly/graph_objs/contour/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1583,7 +1583,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/contour/colorbar/_tickformatstop.py b/plotly/graph_objs/contour/colorbar/_tickformatstop.py
index 061c51a1a3f..7db8664dced 100644
--- a/plotly/graph_objs/contour/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/contour/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/contourcarpet/_colorbar.py b/plotly/graph_objs/contourcarpet/_colorbar.py
index 992b8103a85..7bc6cdc9e85 100644
--- a/plotly/graph_objs/contourcarpet/_colorbar.py
+++ b/plotly/graph_objs/contourcarpet/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1583,7 +1583,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/contourcarpet/colorbar/_tickformatstop.py b/plotly/graph_objs/contourcarpet/colorbar/_tickformatstop.py
index a1c983a8a3d..d9c8d0e6d84 100644
--- a/plotly/graph_objs/contourcarpet/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/contourcarpet/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/heatmap/_colorbar.py b/plotly/graph_objs/heatmap/_colorbar.py
index 3c413dcd88c..238cbf14cdf 100644
--- a/plotly/graph_objs/heatmap/_colorbar.py
+++ b/plotly/graph_objs/heatmap/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1583,7 +1583,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/heatmap/colorbar/_tickformatstop.py b/plotly/graph_objs/heatmap/colorbar/_tickformatstop.py
index 92d05e3aa8a..e1ac0c0364f 100644
--- a/plotly/graph_objs/heatmap/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/heatmap/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/heatmapgl/_colorbar.py b/plotly/graph_objs/heatmapgl/_colorbar.py
index 3acb2c73c0d..99ee91e8ff0 100644
--- a/plotly/graph_objs/heatmapgl/_colorbar.py
+++ b/plotly/graph_objs/heatmapgl/_colorbar.py
@@ -847,7 +847,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1346,7 +1346,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1582,7 +1582,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/heatmapgl/colorbar/_tickformatstop.py b/plotly/graph_objs/heatmapgl/colorbar/_tickformatstop.py
index 6d295eea29f..73869b95002 100644
--- a/plotly/graph_objs/heatmapgl/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/heatmapgl/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/histogram/_cumulative.py b/plotly/graph_objs/histogram/_cumulative.py
index a4a9ac03601..fa2b0a83a71 100644
--- a/plotly/graph_objs/histogram/_cumulative.py
+++ b/plotly/graph_objs/histogram/_cumulative.py
@@ -63,7 +63,7 @@ def enabled(self):
         binned values. Use the `direction` and `centralbin` attributes
         to tune the accumulation method. Note: in this mode, the
         "density" `histnorm` settings behave the same as their
-        equivalents without "density": ** and "density" both rise to
+        equivalents without "density": "" and "density" both rise to
         the number of data points, and "probability" and *probability
         density* both rise to the number of sample points.
     
@@ -109,7 +109,7 @@ def _prop_descriptions(self):
             the binned values. Use the `direction` and `centralbin`
             attributes to tune the accumulation method. Note: in
             this mode, the "density" `histnorm` settings behave the
-            same as their equivalents without "density": ** and
+            same as their equivalents without "density": "" and
             "density" both rise to the number of data points, and
             "probability" and *probability density* both rise to
             the number of sample points.
@@ -149,7 +149,7 @@ def __init__(
             the binned values. Use the `direction` and `centralbin`
             attributes to tune the accumulation method. Note: in
             this mode, the "density" `histnorm` settings behave the
-            same as their equivalents without "density": ** and
+            same as their equivalents without "density": "" and
             "density" both rise to the number of data points, and
             "probability" and *probability density* both rise to
             the number of sample points.
diff --git a/plotly/graph_objs/histogram/_marker.py b/plotly/graph_objs/histogram/_marker.py
index 7e5457ae381..d6e7759ebd8 100644
--- a/plotly/graph_objs/histogram/_marker.py
+++ b/plotly/graph_objs/histogram/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/histogram/marker/_colorbar.py b/plotly/graph_objs/histogram/marker/_colorbar.py
index c4c87863707..f5ee75d3efd 100644
--- a/plotly/graph_objs/histogram/marker/_colorbar.py
+++ b/plotly/graph_objs/histogram/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/histogram/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/histogram/marker/colorbar/_tickformatstop.py
index effe5a512ce..fabf3fde128 100644
--- a/plotly/graph_objs/histogram/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/histogram/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/histogram2d/_colorbar.py b/plotly/graph_objs/histogram2d/_colorbar.py
index 514e6146c35..557b6e967aa 100644
--- a/plotly/graph_objs/histogram2d/_colorbar.py
+++ b/plotly/graph_objs/histogram2d/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1583,7 +1583,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/histogram2d/colorbar/_tickformatstop.py b/plotly/graph_objs/histogram2d/colorbar/_tickformatstop.py
index 941e09fad78..431f2ed61e0 100644
--- a/plotly/graph_objs/histogram2d/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/histogram2d/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/histogram2dcontour/_colorbar.py b/plotly/graph_objs/histogram2dcontour/_colorbar.py
index 2f807460769..c8086003e7b 100644
--- a/plotly/graph_objs/histogram2dcontour/_colorbar.py
+++ b/plotly/graph_objs/histogram2dcontour/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/histogram2dcontour/colorbar/_tickformatstop.py b/plotly/graph_objs/histogram2dcontour/colorbar/_tickformatstop.py
index e94a166cae3..e22a3c1b14d 100644
--- a/plotly/graph_objs/histogram2dcontour/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/histogram2dcontour/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/_angularaxis.py b/plotly/graph_objs/layout/_angularaxis.py
index 313596436d2..c3476752ef9 100644
--- a/plotly/graph_objs/layout/_angularaxis.py
+++ b/plotly/graph_objs/layout/_angularaxis.py
@@ -12,9 +12,9 @@ def domain(self):
         Polar chart subplots are not supported yet. This key has
         currently no effect.
     
-        The 'domain' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'domain' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'domain[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'domain[1]' property is a number and may be specified as:
@@ -59,9 +59,9 @@ def range(self):
         Legacy polar charts are deprecated! Please switch to "polar"
         subplots. Defines the start and end point of this angular axis.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property is a number and may be specified as:
           - An int or float
     (1) The 'range[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/_grid.py b/plotly/graph_objs/layout/_grid.py
index d04db0ebc5e..a61b972d1f5 100644
--- a/plotly/graph_objs/layout/_grid.py
+++ b/plotly/graph_objs/layout/_grid.py
@@ -143,16 +143,15 @@ def subplots(self):
         """
         Used for freeform grids, where some axes may be shared across
         subplots but others are not. Each entry should be a cartesian
-        subplot id, like "xy" or "x3y2", or ** to leave that cell
+        subplot id, like "xy" or "x3y2", or "" to leave that cell
         empty. You may reuse x axes within the same column, and y axes
         within the same row. Non-cartesian subplots and traces that
         support `domain` can place themselves in this grid separately
         using the `gridcell` attribute.
     
-        The 'subplots' property is an info array that may be specified as a
-        list or tuple of up to 1 elements where:
-    
-    (0) The 'subplots[0]' property is an enumeration that may be specified as:
+        The 'subplots' property is an info array that may be specified as:
+        * a 2D list where:
+          The 'subplots[i][j]' property is an enumeration that may be specified as:
           - One of the following enumeration values:
                 ['']
           - A string that matches one of the following regular expressions:
@@ -175,15 +174,14 @@ def xaxes(self):
         """
         Used with `yaxes` when the x and y axes are shared across
         columns and rows. Each entry should be an x axis id like "x",
-        "x2", etc., or ** to not put an x axis in that column. Entries
-        other than ** must be unique. Ignored if `subplots` is present.
+        "x2", etc., or "" to not put an x axis in that column. Entries
+        other than "" must be unique. Ignored if `subplots` is present.
         If missing but `yaxes` is present, will generate consecutive
         IDs.
     
-        The 'xaxes' property is an info array that may be specified as a
-        list or tuple of up to 1 elements where:
-    
-    (0) The 'xaxes[0]' property is an enumeration that may be specified as:
+        The 'xaxes' property is an info array that may be specified as:
+        * a list of elements where:
+          The 'xaxes[i]' property is an enumeration that may be specified as:
           - One of the following enumeration values:
                 ['']
           - A string that matches one of the following regular expressions:
@@ -227,8 +225,8 @@ def xgap(self, val):
     def xside(self):
         """
         Sets where the x axis labels and titles go. "bottom" means the
-        very bottom of the grid. *bottom plot* is the lowest plot that
-        each x axis is used in. "top" and *top plot* are similar.
+        very bottom of the grid. "bottom plot" is the lowest plot that
+        each x axis is used in. "top" and "top plot" are similar.
     
         The 'xside' property is an enumeration that may be specified as:
           - One of the following enumeration values:
@@ -251,15 +249,14 @@ def yaxes(self):
         """
         Used with `yaxes` when the x and y axes are shared across
         columns and rows. Each entry should be an y axis id like "y",
-        "y2", etc., or ** to not put a y axis in that row. Entries
-        other than ** must be unique. Ignored if `subplots` is present.
+        "y2", etc., or "" to not put a y axis in that row. Entries
+        other than "" must be unique. Ignored if `subplots` is present.
         If missing but `xaxes` is present, will generate consecutive
         IDs.
     
-        The 'yaxes' property is an info array that may be specified as a
-        list or tuple of up to 1 elements where:
-    
-    (0) The 'yaxes[0]' property is an enumeration that may be specified as:
+        The 'yaxes' property is an info array that may be specified as:
+        * a list of elements where:
+          The 'yaxes[i]' property is an enumeration that may be specified as:
           - One of the following enumeration values:
                 ['']
           - A string that matches one of the following regular expressions:
@@ -362,7 +359,7 @@ def _prop_descriptions(self):
         subplots
             Used for freeform grids, where some axes may be shared
             across subplots but others are not. Each entry should
-            be a cartesian subplot id, like "xy" or "x3y2", or **
+            be a cartesian subplot id, like "xy" or "x3y2", or ""
             to leave that cell empty. You may reuse x axes within
             the same column, and y axes within the same row. Non-
             cartesian subplots and traces that support `domain` can
@@ -371,8 +368,8 @@ def _prop_descriptions(self):
         xaxes
             Used with `yaxes` when the x and y axes are shared
             across columns and rows. Each entry should be an x axis
-            id like "x", "x2", etc., or ** to not put an x axis in
-            that column. Entries other than ** must be unique.
+            id like "x", "x2", etc., or "" to not put an x axis in
+            that column. Entries other than "" must be unique.
             Ignored if `subplots` is present. If missing but
             `yaxes` is present, will generate consecutive IDs.
         xgap
@@ -382,14 +379,14 @@ def _prop_descriptions(self):
             independent grids.
         xside
             Sets where the x axis labels and titles go. "bottom"
-            means the very bottom of the grid. *bottom plot* is the
-            lowest plot that each x axis is used in. "top" and *top
-            plot* are similar.
+            means the very bottom of the grid. "bottom plot" is the
+            lowest plot that each x axis is used in. "top" and "top
+            plot" are similar.
         yaxes
             Used with `yaxes` when the x and y axes are shared
             across columns and rows. Each entry should be an y axis
-            id like "y", "y2", etc., or ** to not put a y axis in
-            that row. Entries other than ** must be unique. Ignored
+            id like "y", "y2", etc., or "" to not put a y axis in
+            that row. Entries other than "" must be unique. Ignored
             if `subplots` is present. If missing but `xaxes` is
             present, will generate consecutive IDs.
         ygap
@@ -459,7 +456,7 @@ def __init__(
         subplots
             Used for freeform grids, where some axes may be shared
             across subplots but others are not. Each entry should
-            be a cartesian subplot id, like "xy" or "x3y2", or **
+            be a cartesian subplot id, like "xy" or "x3y2", or ""
             to leave that cell empty. You may reuse x axes within
             the same column, and y axes within the same row. Non-
             cartesian subplots and traces that support `domain` can
@@ -468,8 +465,8 @@ def __init__(
         xaxes
             Used with `yaxes` when the x and y axes are shared
             across columns and rows. Each entry should be an x axis
-            id like "x", "x2", etc., or ** to not put an x axis in
-            that column. Entries other than ** must be unique.
+            id like "x", "x2", etc., or "" to not put an x axis in
+            that column. Entries other than "" must be unique.
             Ignored if `subplots` is present. If missing but
             `yaxes` is present, will generate consecutive IDs.
         xgap
@@ -479,14 +476,14 @@ def __init__(
             independent grids.
         xside
             Sets where the x axis labels and titles go. "bottom"
-            means the very bottom of the grid. *bottom plot* is the
-            lowest plot that each x axis is used in. "top" and *top
-            plot* are similar.
+            means the very bottom of the grid. "bottom plot" is the
+            lowest plot that each x axis is used in. "top" and "top
+            plot" are similar.
         yaxes
             Used with `yaxes` when the x and y axes are shared
             across columns and rows. Each entry should be an y axis
-            id like "y", "y2", etc., or ** to not put a y axis in
-            that row. Entries other than ** must be unique. Ignored
+            id like "y", "y2", etc., or "" to not put a y axis in
+            that row. Entries other than "" must be unique. Ignored
             if `subplots` is present. If missing but `xaxes` is
             present, will generate consecutive IDs.
         ygap
diff --git a/plotly/graph_objs/layout/_polar.py b/plotly/graph_objs/layout/_polar.py
index b043ab189ab..88f5f7de302 100644
--- a/plotly/graph_objs/layout/_polar.py
+++ b/plotly/graph_objs/layout/_polar.py
@@ -221,7 +221,7 @@ def angularaxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -693,7 +693,7 @@ def radialaxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -750,9 +750,9 @@ def sector(self):
         counterclockwise direction with 0 corresponding to rightmost
         limit of the polar subplot.
     
-        The 'sector' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'sector' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'sector[0]' property is a number and may be specified as:
           - An int or float
     (1) The 'sector[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/_radialaxis.py b/plotly/graph_objs/layout/_radialaxis.py
index deb08fbb7e1..3fadece8ae3 100644
--- a/plotly/graph_objs/layout/_radialaxis.py
+++ b/plotly/graph_objs/layout/_radialaxis.py
@@ -12,9 +12,9 @@ def domain(self):
         Polar chart subplots are not supported yet. This key has
         currently no effect.
     
-        The 'domain' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'domain' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'domain[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'domain[1]' property is a number and may be specified as:
@@ -81,9 +81,9 @@ def range(self):
         Legacy polar charts are deprecated! Please switch to "polar"
         subplots. Defines the start and end point of this radial axis.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property is a number and may be specified as:
           - An int or float
     (1) The 'range[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/_scene.py b/plotly/graph_objs/layout/_scene.py
index e51ec1c7366..46ed6068107 100644
--- a/plotly/graph_objs/layout/_scene.py
+++ b/plotly/graph_objs/layout/_scene.py
@@ -713,7 +713,7 @@ def xaxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -1013,7 +1013,7 @@ def yaxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -1313,7 +1313,7 @@ def zaxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/layout/_ternary.py b/plotly/graph_objs/layout/_ternary.py
index ca3a385385d..03c94cb8319 100644
--- a/plotly/graph_objs/layout/_ternary.py
+++ b/plotly/graph_objs/layout/_ternary.py
@@ -184,7 +184,7 @@ def aaxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -401,7 +401,7 @@ def baxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
@@ -677,7 +677,7 @@ def caxis(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/layout/_xaxis.py b/plotly/graph_objs/layout/_xaxis.py
index 94dfafafcd7..2762aa0fe2d 100644
--- a/plotly/graph_objs/layout/_xaxis.py
+++ b/plotly/graph_objs/layout/_xaxis.py
@@ -293,9 +293,9 @@ def domain(self):
         """
         Sets the domain of this axis (in plot fraction).
     
-        The 'domain' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'domain' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'domain[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'domain[1]' property is a number and may be specified as:
@@ -719,9 +719,9 @@ def range(self):
         should be numbers, using the scale where each category is
         assigned a serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
@@ -1634,7 +1634,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -2289,7 +2289,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -2701,7 +2701,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/_yaxis.py b/plotly/graph_objs/layout/_yaxis.py
index 5300c1e4671..762574d55f9 100644
--- a/plotly/graph_objs/layout/_yaxis.py
+++ b/plotly/graph_objs/layout/_yaxis.py
@@ -293,9 +293,9 @@ def domain(self):
         """
         Sets the domain of this axis (in plot fraction).
     
-        The 'domain' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'domain' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'domain[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'domain[1]' property is a number and may be specified as:
@@ -719,9 +719,9 @@ def range(self):
         should be numbers, using the scale where each category is
         assigned a serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
@@ -1508,7 +1508,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -2157,7 +2157,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -2561,7 +2561,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/geo/_domain.py b/plotly/graph_objs/layout/geo/_domain.py
index 4b609638da9..ff5bc9e6177 100644
--- a/plotly/graph_objs/layout/geo/_domain.py
+++ b/plotly/graph_objs/layout/geo/_domain.py
@@ -64,9 +64,9 @@ def x(self):
         general, when `projection.scale` is set to 1. a map will fit
         either its x or y domain, but not both.
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -92,9 +92,9 @@ def y(self):
         general, when `projection.scale` is set to 1. a map will fit
         either its x or y domain, but not both.
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/geo/_lataxis.py b/plotly/graph_objs/layout/geo/_lataxis.py
index d6aab95dad4..ba7fb16562d 100644
--- a/plotly/graph_objs/layout/geo/_lataxis.py
+++ b/plotly/graph_objs/layout/geo/_lataxis.py
@@ -111,9 +111,9 @@ def range(self):
         Sets the range of this axis (in degrees), sets the map's
         clipped coordinates.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property is a number and may be specified as:
           - An int or float
     (1) The 'range[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/geo/_lonaxis.py b/plotly/graph_objs/layout/geo/_lonaxis.py
index a49fde4ddde..2d07ad45af5 100644
--- a/plotly/graph_objs/layout/geo/_lonaxis.py
+++ b/plotly/graph_objs/layout/geo/_lonaxis.py
@@ -111,9 +111,9 @@ def range(self):
         Sets the range of this axis (in degrees), sets the map's
         clipped coordinates.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property is a number and may be specified as:
           - An int or float
     (1) The 'range[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/geo/_projection.py b/plotly/graph_objs/layout/geo/_projection.py
index fcc6b93f632..237faf49cb5 100644
--- a/plotly/graph_objs/layout/geo/_projection.py
+++ b/plotly/graph_objs/layout/geo/_projection.py
@@ -12,9 +12,9 @@ def parallels(self):
         For conic projection types only. Sets the parallels (tangent,
         secant) where the cone intersects the sphere.
     
-        The 'parallels' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'parallels' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'parallels[0]' property is a number and may be specified as:
           - An int or float
     (1) The 'parallels[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/grid/_domain.py b/plotly/graph_objs/layout/grid/_domain.py
index 50ba3e20150..aa2e7b4a7fc 100644
--- a/plotly/graph_objs/layout/grid/_domain.py
+++ b/plotly/graph_objs/layout/grid/_domain.py
@@ -13,9 +13,9 @@ def x(self):
         fraction). The first and last cells end exactly at the domain
         edges, with no grout around the edges.
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -40,9 +40,9 @@ def y(self):
         fraction). The first and last cells end exactly at the domain
         edges, with no grout around the edges.
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/mapbox/_domain.py b/plotly/graph_objs/layout/mapbox/_domain.py
index 7aa62bce3ff..a26f9e6a424 100644
--- a/plotly/graph_objs/layout/mapbox/_domain.py
+++ b/plotly/graph_objs/layout/mapbox/_domain.py
@@ -56,9 +56,9 @@ def x(self):
         Sets the horizontal domain of this mapbox subplot (in plot
         fraction).
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -82,9 +82,9 @@ def y(self):
         Sets the vertical domain of this mapbox subplot (in plot
         fraction).
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/polar/_angularaxis.py b/plotly/graph_objs/layout/polar/_angularaxis.py
index 2a386974bfb..0aeeac5f1dd 100644
--- a/plotly/graph_objs/layout/polar/_angularaxis.py
+++ b/plotly/graph_objs/layout/polar/_angularaxis.py
@@ -1022,7 +1022,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1399,7 +1399,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1664,7 +1664,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/polar/_domain.py b/plotly/graph_objs/layout/polar/_domain.py
index f8d0dec50d4..078efa681e4 100644
--- a/plotly/graph_objs/layout/polar/_domain.py
+++ b/plotly/graph_objs/layout/polar/_domain.py
@@ -56,9 +56,9 @@ def x(self):
         Sets the horizontal domain of this polar subplot (in plot
         fraction).
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -82,9 +82,9 @@ def y(self):
         Sets the vertical domain of this polar subplot (in plot
         fraction).
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/polar/_radialaxis.py b/plotly/graph_objs/layout/polar/_radialaxis.py
index 2f2c47064eb..de06c3163c7 100644
--- a/plotly/graph_objs/layout/polar/_radialaxis.py
+++ b/plotly/graph_objs/layout/polar/_radialaxis.py
@@ -530,9 +530,9 @@ def range(self):
         should be numbers, using the scale where each category is
         assigned a serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
@@ -1084,7 +1084,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1546,7 +1546,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1838,7 +1838,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/polar/angularaxis/_tickformatstop.py b/plotly/graph_objs/layout/polar/angularaxis/_tickformatstop.py
index 54317713096..a39b86cd4e8 100644
--- a/plotly/graph_objs/layout/polar/angularaxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/polar/angularaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/polar/radialaxis/_tickformatstop.py b/plotly/graph_objs/layout/polar/radialaxis/_tickformatstop.py
index 5d6815c3c63..45d43106b9b 100644
--- a/plotly/graph_objs/layout/polar/radialaxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/polar/radialaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/scene/_domain.py b/plotly/graph_objs/layout/scene/_domain.py
index a71449ba699..37276ef8e25 100644
--- a/plotly/graph_objs/layout/scene/_domain.py
+++ b/plotly/graph_objs/layout/scene/_domain.py
@@ -56,9 +56,9 @@ def x(self):
         Sets the horizontal domain of this scene subplot (in plot
         fraction).
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -82,9 +82,9 @@ def y(self):
         Sets the vertical domain of this scene subplot (in plot
         fraction).
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/scene/_xaxis.py b/plotly/graph_objs/layout/scene/_xaxis.py
index e4617916b58..a6abfe4790c 100644
--- a/plotly/graph_objs/layout/scene/_xaxis.py
+++ b/plotly/graph_objs/layout/scene/_xaxis.py
@@ -563,9 +563,9 @@ def range(self):
         should be numbers, using the scale where each category is
         assigned a serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
@@ -1257,7 +1257,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1829,7 +1829,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -2145,7 +2145,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/scene/_yaxis.py b/plotly/graph_objs/layout/scene/_yaxis.py
index bf6edaa64b7..d1f852d2454 100644
--- a/plotly/graph_objs/layout/scene/_yaxis.py
+++ b/plotly/graph_objs/layout/scene/_yaxis.py
@@ -563,9 +563,9 @@ def range(self):
         should be numbers, using the scale where each category is
         assigned a serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
@@ -1257,7 +1257,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1829,7 +1829,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -2145,7 +2145,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/scene/_zaxis.py b/plotly/graph_objs/layout/scene/_zaxis.py
index 0a0d57047d9..c4e7ac3c677 100644
--- a/plotly/graph_objs/layout/scene/_zaxis.py
+++ b/plotly/graph_objs/layout/scene/_zaxis.py
@@ -563,9 +563,9 @@ def range(self):
         should be numbers, using the scale where each category is
         assigned a serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
@@ -1257,7 +1257,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1829,7 +1829,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -2145,7 +2145,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/scene/xaxis/_tickformatstop.py b/plotly/graph_objs/layout/scene/xaxis/_tickformatstop.py
index 069bf6af284..e92735e3405 100644
--- a/plotly/graph_objs/layout/scene/xaxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/scene/xaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/scene/yaxis/_tickformatstop.py b/plotly/graph_objs/layout/scene/yaxis/_tickformatstop.py
index 72c8332685b..eed2a871347 100644
--- a/plotly/graph_objs/layout/scene/yaxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/scene/yaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/scene/zaxis/_tickformatstop.py b/plotly/graph_objs/layout/scene/zaxis/_tickformatstop.py
index 7b6806d3314..a64ce2f9a51 100644
--- a/plotly/graph_objs/layout/scene/zaxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/scene/zaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/slider/_step.py b/plotly/graph_objs/layout/slider/_step.py
index b79f62574b5..c552265939e 100644
--- a/plotly/graph_objs/layout/slider/_step.py
+++ b/plotly/graph_objs/layout/slider/_step.py
@@ -12,9 +12,9 @@ def args(self):
         Sets the arguments values to be passed to the Plotly method set
         in `method` on slide.
     
-        The 'args' property is an info array that may be specified as a
-        list or tuple of up to 3 elements where:
+        The 'args' property is an info array that may be specified as:
     
+        * a list or tuple of up to 3 elements where:
     (0) The 'args[0]' property accepts values of any type
     (1) The 'args[1]' property accepts values of any type
     (2) The 'args[2]' property accepts values of any type
diff --git a/plotly/graph_objs/layout/ternary/_aaxis.py b/plotly/graph_objs/layout/ternary/_aaxis.py
index cdad3380015..d34f6c35d21 100644
--- a/plotly/graph_objs/layout/ternary/_aaxis.py
+++ b/plotly/graph_objs/layout/ternary/_aaxis.py
@@ -880,7 +880,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1246,7 +1246,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1468,7 +1468,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/ternary/_baxis.py b/plotly/graph_objs/layout/ternary/_baxis.py
index 20461cef66c..5c3953a4dcd 100644
--- a/plotly/graph_objs/layout/ternary/_baxis.py
+++ b/plotly/graph_objs/layout/ternary/_baxis.py
@@ -880,7 +880,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1246,7 +1246,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1468,7 +1468,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/ternary/_caxis.py b/plotly/graph_objs/layout/ternary/_caxis.py
index 2f3cce71857..a884e1f3663 100644
--- a/plotly/graph_objs/layout/ternary/_caxis.py
+++ b/plotly/graph_objs/layout/ternary/_caxis.py
@@ -880,7 +880,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1246,7 +1246,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1468,7 +1468,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/layout/ternary/_domain.py b/plotly/graph_objs/layout/ternary/_domain.py
index 2393483f441..91f54c39bb8 100644
--- a/plotly/graph_objs/layout/ternary/_domain.py
+++ b/plotly/graph_objs/layout/ternary/_domain.py
@@ -56,9 +56,9 @@ def x(self):
         Sets the horizontal domain of this ternary subplot (in plot
         fraction).
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -82,9 +82,9 @@ def y(self):
         Sets the vertical domain of this ternary subplot (in plot
         fraction).
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/layout/ternary/aaxis/_tickformatstop.py b/plotly/graph_objs/layout/ternary/aaxis/_tickformatstop.py
index 351411ce8ea..18e350ae5fd 100644
--- a/plotly/graph_objs/layout/ternary/aaxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/ternary/aaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/ternary/baxis/_tickformatstop.py b/plotly/graph_objs/layout/ternary/baxis/_tickformatstop.py
index 4be19773541..d87923b4118 100644
--- a/plotly/graph_objs/layout/ternary/baxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/ternary/baxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/ternary/caxis/_tickformatstop.py b/plotly/graph_objs/layout/ternary/caxis/_tickformatstop.py
index 7c6d6014399..bc08483e738 100644
--- a/plotly/graph_objs/layout/ternary/caxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/ternary/caxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/updatemenu/_button.py b/plotly/graph_objs/layout/updatemenu/_button.py
index 463f50eb0f9..339c3e81143 100644
--- a/plotly/graph_objs/layout/updatemenu/_button.py
+++ b/plotly/graph_objs/layout/updatemenu/_button.py
@@ -12,9 +12,9 @@ def args(self):
         Sets the arguments values to be passed to the Plotly method set
         in `method` on click.
     
-        The 'args' property is an info array that may be specified as a
-        list or tuple of up to 3 elements where:
+        The 'args' property is an info array that may be specified as:
     
+        * a list or tuple of up to 3 elements where:
     (0) The 'args[0]' property accepts values of any type
     (1) The 'args[1]' property accepts values of any type
     (2) The 'args[2]' property accepts values of any type
diff --git a/plotly/graph_objs/layout/xaxis/_rangeslider.py b/plotly/graph_objs/layout/xaxis/_rangeslider.py
index c86e502e466..62822d9d8d2 100644
--- a/plotly/graph_objs/layout/xaxis/_rangeslider.py
+++ b/plotly/graph_objs/layout/xaxis/_rangeslider.py
@@ -179,9 +179,9 @@ def range(self):
         numbers, using the scale where each category is assigned a
         serial number from zero in the order it appears.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/xaxis/_tickformatstop.py b/plotly/graph_objs/layout/xaxis/_tickformatstop.py
index 2c49994f806..5c6cea67c94 100644
--- a/plotly/graph_objs/layout/xaxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/xaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/xaxis/rangeslider/_yaxis.py b/plotly/graph_objs/layout/xaxis/rangeslider/_yaxis.py
index 66b21485383..231e022da37 100644
--- a/plotly/graph_objs/layout/xaxis/rangeslider/_yaxis.py
+++ b/plotly/graph_objs/layout/xaxis/rangeslider/_yaxis.py
@@ -11,9 +11,9 @@ def range(self):
         """
         Sets the range of this axis for the rangeslider.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property accepts values of any type
     (1) The 'range[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/layout/yaxis/_tickformatstop.py b/plotly/graph_objs/layout/yaxis/_tickformatstop.py
index b12b4c71971..478c05894c9 100644
--- a/plotly/graph_objs/layout/yaxis/_tickformatstop.py
+++ b/plotly/graph_objs/layout/yaxis/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/mesh3d/_colorbar.py b/plotly/graph_objs/mesh3d/_colorbar.py
index 4a20e6783f2..820c79cad66 100644
--- a/plotly/graph_objs/mesh3d/_colorbar.py
+++ b/plotly/graph_objs/mesh3d/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1583,7 +1583,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/mesh3d/colorbar/_tickformatstop.py b/plotly/graph_objs/mesh3d/colorbar/_tickformatstop.py
index d9edda29a4a..72b1e789df5 100644
--- a/plotly/graph_objs/mesh3d/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/mesh3d/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/parcoords/_dimension.py b/plotly/graph_objs/parcoords/_dimension.py
index ade3fcd01fd..84c7472c45a 100644
--- a/plotly/graph_objs/parcoords/_dimension.py
+++ b/plotly/graph_objs/parcoords/_dimension.py
@@ -15,13 +15,19 @@ def constraintrange(self):
         you may give an array of arrays, where each inner array is
         `[fromValue, toValue]`.
     
-        The 'constraintrange' property is an info array that may be specified as a
-        list or tuple of up to 2 elements where:
+        The 'constraintrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'constraintrange[0]' property is a number and may be specified as:
           - An int or float
     (1) The 'constraintrange[1]' property is a number and may be specified as:
           - An int or float
+    
+        * a 2D list where:
+    (0) The 'constraintrange[i][0]' property is a number and may be specified as:
+          - An int or float
+    (1) The 'constraintrange[i][1]' property is a number and may be specified as:
+          - An int or float
 
         Returns
         -------
@@ -110,9 +116,9 @@ def range(self):
         Defaults to the `values` extent. Must be an array of
         `[fromValue, toValue]` with finite numbers as elements.
     
-        The 'range' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'range' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'range[0]' property is a number and may be specified as:
           - An int or float
     (1) The 'range[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/parcoords/_domain.py b/plotly/graph_objs/parcoords/_domain.py
index 1a7a740a7d3..3bc60f0cc64 100644
--- a/plotly/graph_objs/parcoords/_domain.py
+++ b/plotly/graph_objs/parcoords/_domain.py
@@ -56,9 +56,9 @@ def x(self):
         Sets the horizontal domain of this parcoords trace (in plot
         fraction).
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -82,9 +82,9 @@ def y(self):
         Sets the vertical domain of this parcoords trace (in plot
         fraction).
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/parcoords/_line.py b/plotly/graph_objs/parcoords/_line.py
index 2bd3b35afae..1186dca302d 100644
--- a/plotly/graph_objs/parcoords/_line.py
+++ b/plotly/graph_objs/parcoords/_line.py
@@ -329,7 +329,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/parcoords/line/_colorbar.py b/plotly/graph_objs/parcoords/line/_colorbar.py
index 7c9c78d8694..f433cab412d 100644
--- a/plotly/graph_objs/parcoords/line/_colorbar.py
+++ b/plotly/graph_objs/parcoords/line/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/parcoords/line/colorbar/_tickformatstop.py b/plotly/graph_objs/parcoords/line/colorbar/_tickformatstop.py
index 68559612f1e..c217c6917bf 100644
--- a/plotly/graph_objs/parcoords/line/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/parcoords/line/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/pie/_domain.py b/plotly/graph_objs/pie/_domain.py
index 10a31a9af82..a3a70d47f6d 100644
--- a/plotly/graph_objs/pie/_domain.py
+++ b/plotly/graph_objs/pie/_domain.py
@@ -56,9 +56,9 @@ def x(self):
         Sets the horizontal domain of this pie trace (in plot
         fraction).
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -81,9 +81,9 @@ def y(self):
         """
         Sets the vertical domain of this pie trace (in plot fraction).
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/sankey/_domain.py b/plotly/graph_objs/sankey/_domain.py
index 1f26477e126..f2059269833 100644
--- a/plotly/graph_objs/sankey/_domain.py
+++ b/plotly/graph_objs/sankey/_domain.py
@@ -56,9 +56,9 @@ def x(self):
         Sets the horizontal domain of this sankey trace (in plot
         fraction).
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -82,9 +82,9 @@ def y(self):
         Sets the vertical domain of this sankey trace (in plot
         fraction).
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/graph_objs/scatter/_marker.py b/plotly/graph_objs/scatter/_marker.py
index 998185b217c..8cc3303f4b9 100644
--- a/plotly/graph_objs/scatter/_marker.py
+++ b/plotly/graph_objs/scatter/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scatter/marker/_colorbar.py b/plotly/graph_objs/scatter/marker/_colorbar.py
index ac11da6ecb1..f9be9a8229e 100644
--- a/plotly/graph_objs/scatter/marker/_colorbar.py
+++ b/plotly/graph_objs/scatter/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scatter/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scatter/marker/colorbar/_tickformatstop.py
index 79fac230a28..ad1e618d346 100644
--- a/plotly/graph_objs/scatter/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scatter/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/scatter3d/_marker.py b/plotly/graph_objs/scatter3d/_marker.py
index 7a6be276400..621be5661b5 100644
--- a/plotly/graph_objs/scatter3d/_marker.py
+++ b/plotly/graph_objs/scatter3d/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scatter3d/marker/_colorbar.py b/plotly/graph_objs/scatter3d/marker/_colorbar.py
index 95b8a76fdb8..53a3e15441c 100644
--- a/plotly/graph_objs/scatter3d/marker/_colorbar.py
+++ b/plotly/graph_objs/scatter3d/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scatter3d/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scatter3d/marker/colorbar/_tickformatstop.py
index 2cb507c97bc..267a937ce3a 100644
--- a/plotly/graph_objs/scatter3d/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scatter3d/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/scattercarpet/_marker.py b/plotly/graph_objs/scattercarpet/_marker.py
index 22ccf4eeff9..e1a01d72b74 100644
--- a/plotly/graph_objs/scattercarpet/_marker.py
+++ b/plotly/graph_objs/scattercarpet/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scattercarpet/marker/_colorbar.py b/plotly/graph_objs/scattercarpet/marker/_colorbar.py
index 58d279636c7..13a373d0445 100644
--- a/plotly/graph_objs/scattercarpet/marker/_colorbar.py
+++ b/plotly/graph_objs/scattercarpet/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scattercarpet/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scattercarpet/marker/colorbar/_tickformatstop.py
index 7a7ce7b557f..503c6adc843 100644
--- a/plotly/graph_objs/scattercarpet/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scattercarpet/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/scattergeo/_marker.py b/plotly/graph_objs/scattergeo/_marker.py
index 40001bf26a3..b47bd8c3d4b 100644
--- a/plotly/graph_objs/scattergeo/_marker.py
+++ b/plotly/graph_objs/scattergeo/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scattergeo/marker/_colorbar.py b/plotly/graph_objs/scattergeo/marker/_colorbar.py
index c3603f90a20..fae4ec9c65a 100644
--- a/plotly/graph_objs/scattergeo/marker/_colorbar.py
+++ b/plotly/graph_objs/scattergeo/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scattergeo/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scattergeo/marker/colorbar/_tickformatstop.py
index a686870d8d4..f8c012e7b83 100644
--- a/plotly/graph_objs/scattergeo/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scattergeo/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/scattergl/_marker.py b/plotly/graph_objs/scattergl/_marker.py
index 060de11815e..493c7206eae 100644
--- a/plotly/graph_objs/scattergl/_marker.py
+++ b/plotly/graph_objs/scattergl/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scattergl/marker/_colorbar.py b/plotly/graph_objs/scattergl/marker/_colorbar.py
index b054d907edb..cf02761facc 100644
--- a/plotly/graph_objs/scattergl/marker/_colorbar.py
+++ b/plotly/graph_objs/scattergl/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scattergl/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scattergl/marker/colorbar/_tickformatstop.py
index f0ae5102311..e9ad6438995 100644
--- a/plotly/graph_objs/scattergl/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scattergl/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/scattermapbox/_marker.py b/plotly/graph_objs/scattermapbox/_marker.py
index 346c5a184bc..da495aa1fbb 100644
--- a/plotly/graph_objs/scattermapbox/_marker.py
+++ b/plotly/graph_objs/scattermapbox/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scattermapbox/marker/_colorbar.py b/plotly/graph_objs/scattermapbox/marker/_colorbar.py
index 1f9e1371ad7..9effa54d074 100644
--- a/plotly/graph_objs/scattermapbox/marker/_colorbar.py
+++ b/plotly/graph_objs/scattermapbox/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scattermapbox/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scattermapbox/marker/colorbar/_tickformatstop.py
index a214004e9bd..88483bcb4d4 100644
--- a/plotly/graph_objs/scattermapbox/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scattermapbox/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/scatterpolar/_marker.py b/plotly/graph_objs/scatterpolar/_marker.py
index c698ec6193a..0b879ef15f7 100644
--- a/plotly/graph_objs/scatterpolar/_marker.py
+++ b/plotly/graph_objs/scatterpolar/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scatterpolar/marker/_colorbar.py b/plotly/graph_objs/scatterpolar/marker/_colorbar.py
index 1decb5074c8..3a40964e03e 100644
--- a/plotly/graph_objs/scatterpolar/marker/_colorbar.py
+++ b/plotly/graph_objs/scatterpolar/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scatterpolar/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scatterpolar/marker/colorbar/_tickformatstop.py
index 86c95cf0081..5b504e60f96 100644
--- a/plotly/graph_objs/scatterpolar/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scatterpolar/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/scatterpolargl/_marker.py b/plotly/graph_objs/scatterpolargl/_marker.py
index 8a3ad1590c2..04466577de3 100644
--- a/plotly/graph_objs/scatterpolargl/_marker.py
+++ b/plotly/graph_objs/scatterpolargl/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scatterpolargl/marker/_colorbar.py b/plotly/graph_objs/scatterpolargl/marker/_colorbar.py
index 361e609ada3..b87b483a647 100644
--- a/plotly/graph_objs/scatterpolargl/marker/_colorbar.py
+++ b/plotly/graph_objs/scatterpolargl/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scatterpolargl/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scatterpolargl/marker/colorbar/_tickformatstop.py
index 067547f95ca..3dee6c4e4db 100644
--- a/plotly/graph_objs/scatterpolargl/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scatterpolargl/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/scatterternary/_marker.py b/plotly/graph_objs/scatterternary/_marker.py
index 7410aa0da86..19a49c990fc 100644
--- a/plotly/graph_objs/scatterternary/_marker.py
+++ b/plotly/graph_objs/scatterternary/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/scatterternary/marker/_colorbar.py b/plotly/graph_objs/scatterternary/marker/_colorbar.py
index 157d5b923a9..1d1c044a7d5 100644
--- a/plotly/graph_objs/scatterternary/marker/_colorbar.py
+++ b/plotly/graph_objs/scatterternary/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1584,7 +1584,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/scatterternary/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/scatterternary/marker/colorbar/_tickformatstop.py
index a7081f9c28d..b3e75a8e2b6 100644
--- a/plotly/graph_objs/scatterternary/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/scatterternary/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/splom/_marker.py b/plotly/graph_objs/splom/_marker.py
index 2e7cd4929c2..e3abbf849aa 100644
--- a/plotly/graph_objs/splom/_marker.py
+++ b/plotly/graph_objs/splom/_marker.py
@@ -330,7 +330,7 @@ def colorbar(self):
                     Sets a tick label prefix.
                 ticks
                     Determines whether ticks are drawn or not. If
-                    **, this axis' ticks are not drawn. If
+                    "", this axis' ticks are not drawn. If
                     "outside" ("inside"), this axis' are drawn
                     outside (inside) the axis lines.
                 ticksuffix
diff --git a/plotly/graph_objs/splom/marker/_colorbar.py b/plotly/graph_objs/splom/marker/_colorbar.py
index fb51439c0b1..9c44495ac04 100644
--- a/plotly/graph_objs/splom/marker/_colorbar.py
+++ b/plotly/graph_objs/splom/marker/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1583,7 +1583,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/splom/marker/colorbar/_tickformatstop.py b/plotly/graph_objs/splom/marker/colorbar/_tickformatstop.py
index 4af7b19feb9..714501b68b4 100644
--- a/plotly/graph_objs/splom/marker/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/splom/marker/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/streamtube/_colorbar.py b/plotly/graph_objs/streamtube/_colorbar.py
index 545b3cf43fe..272d0581595 100644
--- a/plotly/graph_objs/streamtube/_colorbar.py
+++ b/plotly/graph_objs/streamtube/_colorbar.py
@@ -847,7 +847,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1346,7 +1346,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1582,7 +1582,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/streamtube/colorbar/_tickformatstop.py b/plotly/graph_objs/streamtube/colorbar/_tickformatstop.py
index 9d38197d97e..235d0bffbd8 100644
--- a/plotly/graph_objs/streamtube/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/streamtube/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/surface/_colorbar.py b/plotly/graph_objs/surface/_colorbar.py
index 3f66f4e3131..7c014614f64 100644
--- a/plotly/graph_objs/surface/_colorbar.py
+++ b/plotly/graph_objs/surface/_colorbar.py
@@ -848,7 +848,7 @@ def tickprefix(self, val):
     @property
     def ticks(self):
         """
-        Determines whether ticks are drawn or not. If **, this axis'
+        Determines whether ticks are drawn or not. If "", this axis'
         ticks are not drawn. If "outside" ("inside"), this axis' are
         drawn outside (inside) the axis lines.
     
@@ -1347,7 +1347,7 @@ def _prop_descriptions(self):
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
@@ -1583,7 +1583,7 @@ def __init__(
         tickprefix
             Sets a tick label prefix.
         ticks
-            Determines whether ticks are drawn or not. If **, this
+            Determines whether ticks are drawn or not. If "", this
             axis' ticks are not drawn. If "outside" ("inside"),
             this axis' are drawn outside (inside) the axis lines.
         ticksuffix
diff --git a/plotly/graph_objs/surface/colorbar/_tickformatstop.py b/plotly/graph_objs/surface/colorbar/_tickformatstop.py
index caeb9973ca9..6814e1577fc 100644
--- a/plotly/graph_objs/surface/colorbar/_tickformatstop.py
+++ b/plotly/graph_objs/surface/colorbar/_tickformatstop.py
@@ -13,9 +13,9 @@ def dtickrange(self):
         describe some zoom level, it is possible to omit "min" or "max"
         value by passing "null"
     
-        The 'dtickrange' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'dtickrange' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'dtickrange[0]' property accepts values of any type
     (1) The 'dtickrange[1]' property accepts values of any type
 
diff --git a/plotly/graph_objs/table/_domain.py b/plotly/graph_objs/table/_domain.py
index 5d1bc7e8bb0..877141a4156 100644
--- a/plotly/graph_objs/table/_domain.py
+++ b/plotly/graph_objs/table/_domain.py
@@ -56,9 +56,9 @@ def x(self):
         Sets the horizontal domain of this table trace (in plot
         fraction).
     
-        The 'x' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'x' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'x[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'x[1]' property is a number and may be specified as:
@@ -82,9 +82,9 @@ def y(self):
         Sets the vertical domain of this table trace (in plot
         fraction).
     
-        The 'y' property is an info array that may be specified as a
-        list or tuple of 2 elements where:
+        The 'y' property is an info array that may be specified as:
     
+        * a list or tuple of 2 elements where:
     (0) The 'y[0]' property is a number and may be specified as:
           - An int or float in the interval [0, 1]
     (1) The 'y[1]' property is a number and may be specified as:
diff --git a/plotly/tests/test_core/test_graph_objs/test_instantiate_hierarchy.py b/plotly/tests/test_core/test_graph_objs/test_instantiate_hierarchy.py
new file mode 100644
index 00000000000..7ac1b82fa3b
--- /dev/null
+++ b/plotly/tests/test_core/test_graph_objs/test_instantiate_hierarchy.py
@@ -0,0 +1,29 @@
+from __future__ import absolute_import
+from unittest import TestCase
+import os
+import importlib
+import inspect
+
+from plotly.basedatatypes import BasePlotlyType, BaseFigure
+datatypes_root = 'plotly/graph_objs'
+datatype_modules = [dirpath.replace('/', '.')
+                    for dirpath, _, _ in os.walk(datatypes_root)
+                    if not dirpath.endswith('__pycache__')]
+
+
+class HierarchyTest(TestCase):
+
+    def test_construct_datatypes(self):
+        for datatypes_module in datatype_modules:
+            module = importlib.import_module(datatypes_module)
+            for name, obj in inspect.getmembers(module, inspect.isclass):
+                v = obj()
+                if obj.__module__ == 'plotly.graph_objs._deprecations':
+                    self.assertTrue(
+                        isinstance(v, list) or isinstance(v, dict)
+                    )
+                    obj()
+                elif name in ('Figure', 'FigureWidget'):
+                    self.assertIsInstance(v, BaseFigure)
+                else:
+                    self.assertIsInstance(v, BasePlotlyType)
diff --git a/plotly/validators/_histogram.py b/plotly/validators/_histogram.py
index c5bd3914c02..d5f24c1dfa7 100644
--- a/plotly/validators/_histogram.py
+++ b/plotly/validators/_histogram.py
@@ -51,7 +51,7 @@ def __init__(self, plotly_name='histogram', parent_name='', **kwargs):
                 respectively.
             histnorm
                 Specifies the type of normalization used for
-                this histogram trace. If **, the span of each
+                this histogram trace. If "", the span of each
                 bar corresponds to the number of occurrences
                 (i.e. the number of data points lying inside
                 the bins). If "percent" / "probability", the
diff --git a/plotly/validators/_histogram2d.py b/plotly/validators/_histogram2d.py
index 99c26426f1a..b1c9e973f87 100644
--- a/plotly/validators/_histogram2d.py
+++ b/plotly/validators/_histogram2d.py
@@ -67,7 +67,7 @@ def __init__(self, plotly_name='histogram2d', parent_name='', **kwargs):
                 respectively.
             histnorm
                 Specifies the type of normalization used for
-                this histogram trace. If **, the span of each
+                this histogram trace. If "", the span of each
                 bar corresponds to the number of occurrences
                 (i.e. the number of data points lying inside
                 the bins). If "percent" / "probability", the
diff --git a/plotly/validators/_histogram2dcontour.py b/plotly/validators/_histogram2dcontour.py
index 9ff6f3dd430..57930f0be8e 100644
--- a/plotly/validators/_histogram2dcontour.py
+++ b/plotly/validators/_histogram2dcontour.py
@@ -80,7 +80,7 @@ def __init__(
                 respectively.
             histnorm
                 Specifies the type of normalization used for
-                this histogram trace. If **, the span of each
+                this histogram trace. If "", the span of each
                 bar corresponds to the number of occurrences
                 (i.e. the number of data points lying inside
                 the bins). If "percent" / "probability", the
diff --git a/plotly/validators/bar/marker/_colorbar.py b/plotly/validators/bar/marker/_colorbar.py
index 56fd5193d4d..e06fd83a1eb 100644
--- a/plotly/validators/bar/marker/_colorbar.py
+++ b/plotly/validators/bar/marker/_colorbar.py
@@ -162,7 +162,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/barpolar/marker/_colorbar.py b/plotly/validators/barpolar/marker/_colorbar.py
index 2df0892cc55..8af9204e948 100644
--- a/plotly/validators/barpolar/marker/_colorbar.py
+++ b/plotly/validators/barpolar/marker/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/choropleth/_colorbar.py b/plotly/validators/choropleth/_colorbar.py
index 0bca56e538e..544934b41b0 100644
--- a/plotly/validators/choropleth/_colorbar.py
+++ b/plotly/validators/choropleth/_colorbar.py
@@ -162,7 +162,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/cone/_colorbar.py b/plotly/validators/cone/_colorbar.py
index 235bafd1f23..62034b11661 100644
--- a/plotly/validators/cone/_colorbar.py
+++ b/plotly/validators/cone/_colorbar.py
@@ -159,7 +159,7 @@ def __init__(self, plotly_name='colorbar', parent_name='cone', **kwargs):
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/contour/_colorbar.py b/plotly/validators/contour/_colorbar.py
index 20c013fcd6d..641eba61e59 100644
--- a/plotly/validators/contour/_colorbar.py
+++ b/plotly/validators/contour/_colorbar.py
@@ -161,7 +161,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/contourcarpet/_colorbar.py b/plotly/validators/contourcarpet/_colorbar.py
index 92712289753..5aea53f3b32 100644
--- a/plotly/validators/contourcarpet/_colorbar.py
+++ b/plotly/validators/contourcarpet/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/heatmap/_colorbar.py b/plotly/validators/heatmap/_colorbar.py
index 78d937903a0..5ae6c619c55 100644
--- a/plotly/validators/heatmap/_colorbar.py
+++ b/plotly/validators/heatmap/_colorbar.py
@@ -161,7 +161,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/heatmapgl/_colorbar.py b/plotly/validators/heatmapgl/_colorbar.py
index ec8431023cb..c5d8610a52e 100644
--- a/plotly/validators/heatmapgl/_colorbar.py
+++ b/plotly/validators/heatmapgl/_colorbar.py
@@ -162,7 +162,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/histogram/_cumulative.py b/plotly/validators/histogram/_cumulative.py
index 89c8da4a23f..dd8bbaddfd4 100644
--- a/plotly/validators/histogram/_cumulative.py
+++ b/plotly/validators/histogram/_cumulative.py
@@ -33,7 +33,7 @@ def __init__(
                 and `centralbin` attributes to tune the
                 accumulation method. Note: in this mode, the
                 "density" `histnorm` settings behave the same
-                as their equivalents without "density": ** and
+                as their equivalents without "density": "" and
                 "density" both rise to the number of data
                 points, and "probability" and *probability
                 density* both rise to the number of sample
diff --git a/plotly/validators/histogram/marker/_colorbar.py b/plotly/validators/histogram/marker/_colorbar.py
index 54d343ceea2..b14b3ecc6b4 100644
--- a/plotly/validators/histogram/marker/_colorbar.py
+++ b/plotly/validators/histogram/marker/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/histogram2d/_colorbar.py b/plotly/validators/histogram2d/_colorbar.py
index d698a33361e..b163101d387 100644
--- a/plotly/validators/histogram2d/_colorbar.py
+++ b/plotly/validators/histogram2d/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/histogram2dcontour/_colorbar.py b/plotly/validators/histogram2dcontour/_colorbar.py
index b4fb13baab1..d5f059add73 100644
--- a/plotly/validators/histogram2dcontour/_colorbar.py
+++ b/plotly/validators/histogram2dcontour/_colorbar.py
@@ -166,7 +166,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/_grid.py b/plotly/validators/layout/_grid.py
index 991c18a1b43..48714662535 100644
--- a/plotly/validators/layout/_grid.py
+++ b/plotly/validators/layout/_grid.py
@@ -45,7 +45,7 @@ def __init__(self, plotly_name='grid', parent_name='layout', **kwargs):
                 Used for freeform grids, where some axes may be
                 shared across subplots but others are not. Each
                 entry should be a cartesian subplot id, like
-                "xy" or "x3y2", or ** to leave that cell empty.
+                "xy" or "x3y2", or "" to leave that cell empty.
                 You may reuse x axes within the same column,
                 and y axes within the same row. Non-cartesian
                 subplots and traces that support `domain` can
@@ -55,8 +55,8 @@ def __init__(self, plotly_name='grid', parent_name='layout', **kwargs):
                 Used with `yaxes` when the x and y axes are
                 shared across columns and rows. Each entry
                 should be an x axis id like "x", "x2", etc., or
-                ** to not put an x axis in that column. Entries
-                other than ** must be unique. Ignored if
+                "" to not put an x axis in that column. Entries
+                other than "" must be unique. Ignored if
                 `subplots` is present. If missing but `yaxes`
                 is present, will generate consecutive IDs.
             xgap
@@ -67,15 +67,15 @@ def __init__(self, plotly_name='grid', parent_name='layout', **kwargs):
             xside
                 Sets where the x axis labels and titles go.
                 "bottom" means the very bottom of the grid.
-                *bottom plot* is the lowest plot that each x
-                axis is used in. "top" and *top plot* are
+                "bottom plot" is the lowest plot that each x
+                axis is used in. "top" and "top plot" are
                 similar.
             yaxes
                 Used with `yaxes` when the x and y axes are
                 shared across columns and rows. Each entry
                 should be an y axis id like "y", "y2", etc., or
-                ** to not put a y axis in that row. Entries
-                other than ** must be unique. Ignored if
+                "" to not put a y axis in that row. Entries
+                other than "" must be unique. Ignored if
                 `subplots` is present. If missing but `xaxes`
                 is present, will generate consecutive IDs.
             ygap
diff --git a/plotly/validators/layout/_xaxis.py b/plotly/validators/layout/_xaxis.py
index 53a6ce6fa92..ebb24015eaf 100644
--- a/plotly/validators/layout/_xaxis.py
+++ b/plotly/validators/layout/_xaxis.py
@@ -335,7 +335,7 @@ def __init__(self, plotly_name='xaxis', parent_name='layout', **kwargs):
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/_yaxis.py b/plotly/validators/layout/_yaxis.py
index 039625d0b2f..5db1114f540 100644
--- a/plotly/validators/layout/_yaxis.py
+++ b/plotly/validators/layout/_yaxis.py
@@ -329,7 +329,7 @@ def __init__(self, plotly_name='yaxis', parent_name='layout', **kwargs):
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/polar/_angularaxis.py b/plotly/validators/layout/polar/_angularaxis.py
index 225494a1cd3..2dbc95c0f23 100644
--- a/plotly/validators/layout/polar/_angularaxis.py
+++ b/plotly/validators/layout/polar/_angularaxis.py
@@ -216,7 +216,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/polar/_radialaxis.py b/plotly/validators/layout/polar/_radialaxis.py
index 0255ef3df14..1c5f6d4ed8c 100644
--- a/plotly/validators/layout/polar/_radialaxis.py
+++ b/plotly/validators/layout/polar/_radialaxis.py
@@ -237,7 +237,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/scene/_xaxis.py b/plotly/validators/layout/scene/_xaxis.py
index 1b9ad8e4ba6..ba45418453a 100644
--- a/plotly/validators/layout/scene/_xaxis.py
+++ b/plotly/validators/layout/scene/_xaxis.py
@@ -244,7 +244,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/scene/_yaxis.py b/plotly/validators/layout/scene/_yaxis.py
index ffe7c5f084a..c0fca3ef711 100644
--- a/plotly/validators/layout/scene/_yaxis.py
+++ b/plotly/validators/layout/scene/_yaxis.py
@@ -244,7 +244,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/scene/_zaxis.py b/plotly/validators/layout/scene/_zaxis.py
index ca4893f78eb..54dfd50ae61 100644
--- a/plotly/validators/layout/scene/_zaxis.py
+++ b/plotly/validators/layout/scene/_zaxis.py
@@ -244,7 +244,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/ternary/_aaxis.py b/plotly/validators/layout/ternary/_aaxis.py
index 83e26c69bee..27bbe412b5f 100644
--- a/plotly/validators/layout/ternary/_aaxis.py
+++ b/plotly/validators/layout/ternary/_aaxis.py
@@ -179,7 +179,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/ternary/_baxis.py b/plotly/validators/layout/ternary/_baxis.py
index 2c48381d021..26b5c6d1acf 100644
--- a/plotly/validators/layout/ternary/_baxis.py
+++ b/plotly/validators/layout/ternary/_baxis.py
@@ -179,7 +179,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/layout/ternary/_caxis.py b/plotly/validators/layout/ternary/_caxis.py
index 46153cfe787..998f4096423 100644
--- a/plotly/validators/layout/ternary/_caxis.py
+++ b/plotly/validators/layout/ternary/_caxis.py
@@ -179,7 +179,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/mesh3d/_colorbar.py b/plotly/validators/mesh3d/_colorbar.py
index 503901b6a32..f46e1781a37 100644
--- a/plotly/validators/mesh3d/_colorbar.py
+++ b/plotly/validators/mesh3d/_colorbar.py
@@ -159,7 +159,7 @@ def __init__(self, plotly_name='colorbar', parent_name='mesh3d', **kwargs):
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/parcoords/line/_colorbar.py b/plotly/validators/parcoords/line/_colorbar.py
index 28644af68b6..aaadca17c8d 100644
--- a/plotly/validators/parcoords/line/_colorbar.py
+++ b/plotly/validators/parcoords/line/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scatter/marker/_colorbar.py b/plotly/validators/scatter/marker/_colorbar.py
index 4510a77e451..189a3145611 100644
--- a/plotly/validators/scatter/marker/_colorbar.py
+++ b/plotly/validators/scatter/marker/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scatter3d/marker/_colorbar.py b/plotly/validators/scatter3d/marker/_colorbar.py
index 2bf59a6ed24..28918f633cb 100644
--- a/plotly/validators/scatter3d/marker/_colorbar.py
+++ b/plotly/validators/scatter3d/marker/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scattercarpet/marker/_colorbar.py b/plotly/validators/scattercarpet/marker/_colorbar.py
index e7f405f5855..deccb9dd802 100644
--- a/plotly/validators/scattercarpet/marker/_colorbar.py
+++ b/plotly/validators/scattercarpet/marker/_colorbar.py
@@ -166,7 +166,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scattergeo/marker/_colorbar.py b/plotly/validators/scattergeo/marker/_colorbar.py
index 8022c5ea038..a86f1fc668b 100644
--- a/plotly/validators/scattergeo/marker/_colorbar.py
+++ b/plotly/validators/scattergeo/marker/_colorbar.py
@@ -166,7 +166,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scattergl/marker/_colorbar.py b/plotly/validators/scattergl/marker/_colorbar.py
index b3a88a86bc5..cb323bafb19 100644
--- a/plotly/validators/scattergl/marker/_colorbar.py
+++ b/plotly/validators/scattergl/marker/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scattermapbox/marker/_colorbar.py b/plotly/validators/scattermapbox/marker/_colorbar.py
index 6f46bc4173e..dc2f0af4cdc 100644
--- a/plotly/validators/scattermapbox/marker/_colorbar.py
+++ b/plotly/validators/scattermapbox/marker/_colorbar.py
@@ -166,7 +166,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scatterpolar/marker/_colorbar.py b/plotly/validators/scatterpolar/marker/_colorbar.py
index 7463e6f21c4..21d14cf87f5 100644
--- a/plotly/validators/scatterpolar/marker/_colorbar.py
+++ b/plotly/validators/scatterpolar/marker/_colorbar.py
@@ -166,7 +166,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scatterpolargl/marker/_colorbar.py b/plotly/validators/scatterpolargl/marker/_colorbar.py
index ed83d757da9..15c219f02eb 100644
--- a/plotly/validators/scatterpolargl/marker/_colorbar.py
+++ b/plotly/validators/scatterpolargl/marker/_colorbar.py
@@ -166,7 +166,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/scatterternary/marker/_colorbar.py b/plotly/validators/scatterternary/marker/_colorbar.py
index 856f92ab719..787419712da 100644
--- a/plotly/validators/scatterternary/marker/_colorbar.py
+++ b/plotly/validators/scatterternary/marker/_colorbar.py
@@ -166,7 +166,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/splom/marker/_colorbar.py b/plotly/validators/splom/marker/_colorbar.py
index 47c1a368d2d..63b56a8980e 100644
--- a/plotly/validators/splom/marker/_colorbar.py
+++ b/plotly/validators/splom/marker/_colorbar.py
@@ -163,7 +163,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/streamtube/_colorbar.py b/plotly/validators/streamtube/_colorbar.py
index 24ecc310720..f294c55b6d6 100644
--- a/plotly/validators/streamtube/_colorbar.py
+++ b/plotly/validators/streamtube/_colorbar.py
@@ -162,7 +162,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix
diff --git a/plotly/validators/surface/_colorbar.py b/plotly/validators/surface/_colorbar.py
index aab5617f712..8cd825d6bf0 100644
--- a/plotly/validators/surface/_colorbar.py
+++ b/plotly/validators/surface/_colorbar.py
@@ -161,7 +161,7 @@ def __init__(
                 Sets a tick label prefix.
             ticks
                 Determines whether ticks are drawn or not. If
-                **, this axis' ticks are not drawn. If
+                "", this axis' ticks are not drawn. If
                 "outside" ("inside"), this axis' are drawn
                 outside (inside) the axis lines.
             ticksuffix