DOC: tidy 1.1.5 release notes (#38064)

Co-authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>

doc/source/whatsnew/v1.1.5.rst

@@ -14,22 +14,21 @@ including other versions of pandas.
 
 Fixed regressions
 ~~~~~~~~~~~~~~~~~
-- Regression in addition of a timedelta-like scalar to a :class:`DatetimeIndex` raising incorrectly (:issue:`37295`)
+- Fixed regression in addition of a timedelta-like scalar to a :class:`DatetimeIndex` raising incorrectly (:issue:`37295`)
 - Fixed regression in :meth:`Series.groupby` raising when the :class:`Index` of the :class:`Series` had a tuple as its name (:issue:`37755`)
 - Fixed regression in :meth:`DataFrame.loc` and :meth:`Series.loc` for ``__setitem__`` when one-dimensional tuple was given to select from :class:`MultiIndex` (:issue:`37711`)
 - Fixed regression in inplace operations on :class:`Series` with ``ExtensionDtype`` with NumPy dtyped operand (:issue:`37910`)
+- Fixed regression in metadata propagation for ``groupby`` iterator (:issue:`37343`)
+- Fixed regression in indexing on a :class:`Series` with ``CategoricalDtype`` after unpickling (:issue:`37631`)
+- Fixed regression in ``df.groupby(..).rolling(..)`` with the resulting :class:`MultiIndex` when grouping by a label that is in the index (:issue:`37641`)
 
 .. ---------------------------------------------------------------------------
 
 .. _whatsnew_115.bug_fixes:
 
 Bug fixes
 ~~~~~~~~~
-- Bug in metadata propagation for ``groupby`` iterator (:issue:`37343`)
-- Bug in indexing on a :class:`Series` with ``CategoricalDtype`` after unpickling (:issue:`37631`)
-- Bug in :class:`RollingGroupby` with the resulting :class:`MultiIndex` when grouping by a label that is in the index (:issue:`37641`)
 - Bug in pytables methods in python 3.9 (:issue:`38041`)
--
 
 .. ---------------------------------------------------------------------------