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

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

Author: tomytp

doc/source/whatsnew/v3.0.0.rst

@@ -264,7 +264,7 @@ starting with 3.0, so it can be safely removed from your code.
 Other Deprecations
 ^^^^^^^^^^^^^^^^^^
 
-- Deprecated :meth:`Groupby.corrwith` (:issue:`57158`)
+- Deprecated :meth:`.DataFrameGroupby.corrwith` (:issue:`57158`)
 - Deprecated :meth:`Timestamp.utcfromtimestamp`, use ``Timestamp.fromtimestamp(ts, "UTC")`` instead (:issue:`56680`)
 - Deprecated :meth:`Timestamp.utcnow`, use ``Timestamp.now("UTC")`` instead (:issue:`56680`)
 - Deprecated allowing non-keyword arguments in :meth:`DataFrame.all`, :meth:`DataFrame.min`, :meth:`DataFrame.max`, :meth:`DataFrame.sum`, :meth:`DataFrame.prod`, :meth:`DataFrame.mean`, :meth:`DataFrame.median`, :meth:`DataFrame.sem`, :meth:`DataFrame.var`, :meth:`DataFrame.std`, :meth:`DataFrame.skew`, :meth:`DataFrame.kurt`, :meth:`Series.all`,  :meth:`Series.min`, :meth:`Series.max`, :meth:`Series.sum`, :meth:`Series.prod`, :meth:`Series.mean`, :meth:`Series.median`, :meth:`Series.sem`, :meth:`Series.var`, :meth:`Series.std`, :meth:`Series.skew`, and :meth:`Series.kurt`. (:issue:`57087`)