Reword/amend changelog for removed language preferences

CHANGELOG.rst

@@ -26,12 +26,18 @@ Fixed
 * Due to a merge error, the once removed account menu in the sidenav appeared again.
 * Scheduled notifications were shown on dashboard before time.
 * Remove broken notifications menu item in favor of item next to account menu.
-* [OAuth2] Resources which are protected with client credentials
+* [OAuth2] Resources which are protected with client credentials 
   allowed access if no scopes were allowed.
 * The site logo could overlap with the menu for logos with an unexpected aspect ratio.
 * Some OAuth2 views stopped working with long scope names.
 * Resetting password was impossible due to a missing rule
-* Remove broken option to limit available languages.
+* Language selection was broken when only one language was enabled in
+  preferences.
+
+Removed
+~~~~~~~
+
+* Remove option to limit available languages in preferences.
 
 Changed
 ~~~~~~~