fix as recommended

Author: thoo

pandas/core/algorithms.py

@@ -296,7 +296,7 @@ def unique(values):
         * Categorical : when the input is a Categorical dtype
         * ndarray : when the input is a Series/ndarray
 
-        Return numpy.ndarray or ExtensionArray
+        Return numpy.ndarray or ExtensionArray.
 
     See Also
     --------

pandas/core/indexes/base.py

@@ -2971,12 +2971,10 @@ def _convert_listlike_indexer(self, keyarr, kind=None):
 
         Returns
         -------
-        indexer, keyarr
-            The return can be:
-            - indexer : an ndarray or None if cannot convert
-            - keyarr : tuple-safe keys
-
-            Return indexer, keyarr.
+        indexer : numpy.ndarray or None
+            Return an ndarray or None if cannot convert.
+        keyarr : numpy.ndarray
+            Return tuple-safe keys.
         """
         if isinstance(keyarr, Index):
             keyarr = self._convert_index_indexer(keyarr)