Edit whatsnew entry

Co-authored-by: Marco Edward Gorelli <[email protected]>

Author: kianelbo

doc/source/whatsnew/v1.5.0.rst

@@ -843,7 +843,7 @@ Other Deprecations
 - Deprecated setting a categorical's categories with ``cat.categories = ['a', 'b', 'c']``, use :meth:`Categorical.rename_categories` instead (:issue:`37643`)
 - Deprecated unused arguments ``encoding`` and ``verbose`` in :meth:`Series.to_excel` and :meth:`DataFrame.to_excel` (:issue:`47912`)
 - Deprecated producing a single element when iterating over a :class:`DataFrameGroupBy` or a :class:`SeriesGroupBy` that has been grouped by a list of length 1; A tuple of length one will be returned instead (:issue:`42795`)
-- Emit ``FutureWarning`` from :func:`get_dummies` when ``dtype`` is unspecified, indicating that its default value will be changed to ``bool`` (:issue:`45848`)
+- Deprecated ``np.uint8`` as the default ``dtype`` for :func:`get_dummies` - in a future version, it will be changed to ``bool`` (:issue:`45848`)
 
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 .. _whatsnew_150.performance: