Update doc/source/whatsnew/v1.0.2.rst

Co-Authored-By: Simon Hawkins <[email protected]>

Author: pedroreys

Diff for: doc/source/whatsnew/v1.0.2.rst

@@ -36,7 +36,7 @@ Bug fixes
 
 - Using ``pd.NA`` with :meth:`DataFrame.to_json` now correctly outputs a null value instead of an empty object (:issue:`31615`)
 - Fixed bug in parquet roundtrip with nullable unsigned integer dtypes (:issue:`31896`).
-- Fixed bug where :meth:`pandas.io.pickleread_pickle` raised a ``UnicodeDecodeError` when reading a py27 pickle with MultiIndex column (:issue:`31988`).
+- Fixed regression where :func:`read_pickle` raised a ``UnicodeDecodeError`` when reading a py27 pickle with :class:`MultiIndex` column (:issue:`31988`).
 
 
 
@@ -52,4 +52,4 @@ Bug fixes
 Contributors
 ~~~~~~~~~~~~
 
-.. contributors:: v1.0.1..v1.0.2|HEAD
+.. contributors:: v1.0.1..v1.0.2|HEAD