mention slave-renotify in notification warnings

diff --git a/docs/modes-of-operation.rst b/docs/modes-of-operation.rst
index 71b2e29b62c7365e6de96bcb7b80b9476649a6b4..69b17b6d2a0c860882c756cc87d1f85cfda87dc4 100644 (file)
--- a/docs/modes-of-operation.rst
+++ b/docs/modes-of-operation.rst
@@ -54,7 +54,7 @@ enabled.
 
 .. warning::
   Notifications are only sent for domains with type MASTER in
-  your backend.
+  your backend unless :ref:`setting-slave-renotify` is enabled.
 
 Left open by :rfc:`1996` is who is to be notified - which is harder to
 figure out than it sounds. All slaves for this domain must receive a