DOC: small fixes in text.rst

Author: jreback

doc/source/text.rst

@@ -372,12 +372,11 @@ You can check whether elements contain a pattern:
 
 .. ipython:: python
 
-   pattern = r'[a-z][0-9]'
+   pattern = r'[0-9][a-z]'
    pd.Series(['1', '2', '3a', '3b', '03c']).str.contains(pattern)
 
 or match a pattern:
 
-
 .. ipython:: python
 
    pd.Series(['1', '2', '3a', '3b', '03c']).str.match(pattern)
@@ -386,7 +385,7 @@ The distinction between ``match`` and ``contains`` is strictness: ``match``
 relies on strict ``re.match``, while ``contains`` relies on ``re.search``.
 
 Methods like ``match``, ``contains``, ``startswith``, and ``endswith`` take
- an extra ``na`` argument so missing values can be considered True or False:
+an extra ``na`` argument so missing values can be considered True or False:
 
 .. ipython:: python