DOC: SA01 Add See Also section in Index.where

Author: laymonage

pandas/core/indexes/base.py

@@ -3965,6 +3965,10 @@ def where(self, cond, other=None):
         Returns
         -------
         Index
+
+        See Also
+        --------
+        DataFrame.where : Replace values in a DataFrame where the condition is False.
         """
         if other is None:
             other = self._na_value