Update doc/source/whatsnew/v3.0.0.rst

Co-authored-by: Richard Shadrach <[email protected]>

Author: datapythonista

doc/source/whatsnew/v3.0.0.rst

@@ -422,7 +422,7 @@ Other Deprecations
 - Deprecated parameter ``method`` in :meth:`DataFrame.reindex_like` / :meth:`Series.reindex_like` (:issue:`58667`)
 - Deprecated strings ``w``, ``d``, ``MIN``, ``MS``, ``US`` and ``NS`` denoting units in :class:`Timedelta` in favour of ``W``, ``D``, ``min``, ``ms``, ``us`` and ``ns`` (:issue:`59051`)
 - Deprecated using ``epoch`` date format in :meth:`DataFrame.to_json` and :meth:`Series.to_json`, use ``iso`` instead. (:issue:`57063`)
-- Renamed the ``arg`` parameter of ``Series.map`` to ``func``. (:issue:`61260`)
+- Deprecated the ``arg`` parameter of ``Series.map``; pass the added ``func`` argument instead. (:issue:`61260`)
 
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 .. _whatsnew_300.prior_deprecations: