DOC: fix SA01 for pandas.MultiIndex.dtypes (#58834)

Author: tuhinsharma121

ci/code_checks.sh

@@ -79,7 +79,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.MultiIndex.append PR07,SA01" \
         -i "pandas.MultiIndex.copy PR07,RT03,SA01" \
         -i "pandas.MultiIndex.drop PR07,RT03,SA01" \
-        -i "pandas.MultiIndex.dtypes SA01" \
         -i "pandas.MultiIndex.get_level_values SA01" \
         -i "pandas.MultiIndex.get_loc PR07" \
         -i "pandas.MultiIndex.get_loc_level PR07" \

pandas/core/indexes/multi.py

@@ -775,6 +775,11 @@ def dtypes(self) -> Series:
         """
         Return the dtypes as a Series for the underlying MultiIndex.
 
+        See Also
+        --------
+        Index.dtype : Return the dtype object of the underlying data.
+        Series.dtypes : Return the data type of the underlying Series.
+
         Examples
         --------
         >>> idx = pd.MultiIndex.from_product(