add bugfix to whatsnew

Author: louispotok

doc/source/whatsnew/v0.24.0.txt

@@ -101,7 +101,7 @@ Removal of prior version deprecations/changes
 Performance Improvements
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
-- Improved performance of :func:`Series.describe` in case of numeric dtpyes (:issue:`21274`)
+- Improved performance of :func:`Series.describe` in case of numeric dtypes (:issue:`21274`)
 - Improved performance of :func:`pandas.core.groupby.GroupBy.rank` when dealing with tied rankings (:issue:`21237`)
 -
 
@@ -131,7 +131,7 @@ Datetimelike
 
 - Fixed bug where two :class:`DateOffset` objects with different ``normalize`` attributes could evaluate as equal (:issue:`21404`)
 - Bug in :class:`Index` with ``datetime64[ns, tz]`` dtype that did not localize integer data correctly (:issue:`20964`)
--
+- Fixed bug where `describe` method on tz-aware datetimes did not show `first` and `last` result (:issue:`21328`)
 
 Timedelta
 ^^^^^^^^^