Merge branch 'notifications' into 'master'

Info about not receiving emails

Added additional info because of issue https://gitlab.com/gitlab-com/support-forum/issues/268#note_1846073

See merge request !1920

doc/workflow/notifications.md

@@ -84,3 +84,8 @@ In all of the below cases, the notification will be sent to:
 | Reopen merge request   | |
 | Merge merge request    | |
 | New comment            | The above, plus anyone mentioned by `@username` in the comment, with notification level "Mention" or higher |
+
+You won't receive notifications for Issues, Merge Requests or Milestones
+created by yourself. You will only receive automatic notifications when
+somebody else comments or adds changes to the ones that you've created or
+mentions you.