DOC: fix PR01 for pandas.MultiIndex (#58833)

Author: tuhinsharma121

ci/code_checks.sh

@@ -76,7 +76,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.DataFrame.min RT03" \
         -i "pandas.DataFrame.plot PR02,SA01" \
         -i "pandas.Grouper PR02" \
-        -i "pandas.MultiIndex PR01" \
         -i "pandas.MultiIndex.append PR07,SA01" \
         -i "pandas.MultiIndex.copy PR07,RT03,SA01" \
         -i "pandas.MultiIndex.drop PR07,RT03,SA01" \

pandas/core/indexes/multi.py

@@ -209,8 +209,12 @@ class MultiIndex(Index):
         level).
     names : optional sequence of objects
         Names for each of the index levels. (name is accepted for compat).
+    dtype : Numpy dtype or pandas type, optional
+        Data type for the MultiIndex.
     copy : bool, default False
         Copy the meta-data.
+    name : Label
+        Kept for compatibility with 1-dimensional Index. Should not be used.
     verify_integrity : bool, default True
         Check that the levels/codes are consistent and valid.