diff --git a/doc/src/sgml/ref/create_trigger.sgml b/doc/src/sgml/ref/create_trigger.sgml
index 303881fcfb..8cfac0fbc6 100644
--- a/doc/src/sgml/ref/create_trigger.sgml
+++ b/doc/src/sgml/ref/create_trigger.sgml
@@ -582,7 +582,9 @@ CREATE TRIGGER check_update
 </programlisting>
 
    Call a function to log updates of <literal>accounts</literal>, but only if
-   something changed:
+   something changed
+   (<function>suppress_redundant_updates_trigger()</function> can also be
+   helpful here):
 
 <programlisting>
 CREATE TRIGGER log_update