Update Doc/whatsnew/3.14.rst

Co-authored-by: Bénédikt Tran <[email protected]>

Author: skirpichev

Doc/whatsnew/3.14.rst

@@ -1173,7 +1173,8 @@ struct
 ------
 
 * Support the :c:expr:`float complex` and :c:expr:`double complex` C types in
-  the :mod:`struct` module (formatting characters ``'F'`` and ``'D'``.
+  the :mod:`struct` module (formatting characters ``'F'`` and ``'D'``
+  respectively).
   (Contributed by Sergey B Kirpichev in :gh:`121249`.)