diff --git a/doc/org-manual.org b/doc/org-manual.org
index 9cc932238..6708aea7f 100644
--- a/doc/org-manual.org
+++ b/doc/org-manual.org
@@ -227,7 +227,9 @@ If you find problems with Org, or if you have questions, remarks, or
 ideas about it, please send an email to the Org mailing list
 [[mailto:emacs-orgmode@gnu.org]].  You can subscribe to the list [[https://lists.gnu.org/mailman/listinfo/emacs-orgmode][from this
 web page]].  If you are not a member of the mailing list, your mail will
-be passed to the list after a moderator has approved it[fn:2].
+be passed to the list after a moderator has approved it[fn:2].  We ask
+you to read and respect the [[https://www.gnu.org/philosophy/kind-communication.html][GNU Kind Communications Guidelines]] when
+sending messages on this mailing list.
 
 #+findex: org-version
 #+findex: org-submit-bug-report