Update Doc/whatsnew/3.15.rst

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: ashm-dev

Doc/whatsnew/3.15.rst

@@ -533,13 +533,15 @@ http.cookies
 * Allow '``"``' double quotes in cookie values.
   (Contributed by Nick Burns and Senthil Kumaran in :gh:`92936`.)
 
-idle
-----
+
+idlelib
+-------
 
 *   Add a "Reload from Disk" item to the File menu. This allows discarding
     unsaved changes and reloading the current version of the file from the disk.
     (Contributed by Shamil Abdulaev in :gh:`44968`.)
 
+
 inspect
 -------