doc: Change recommendation to put NOTIFY into a rule

Suggest a statement trigger instead.

diff --git a/doc/src/sgml/ref/notify.sgml b/doc/src/sgml/ref/notify.sgml
index 4dd560838b19111bdc48975fa0665f7941b63ee3..3389aa055ca97ae54c839bfafb64c94ecd053485 100644 (file)
--- a/doc/src/sgml/ref/notify.sgml
+++ b/doc/src/sgml/ref/notify.sgml
@@ -68,7 +68,7 @@ NOTIFY <replaceable class="PARAMETER">channel</replaceable> [ , <replaceable cla
   <para>
    When <command>NOTIFY</command> is used to signal the occurrence of changes
    to a particular table, a useful programming technique is to put the
-   <command>NOTIFY</command> in a rule that is triggered by table updates.
+   <command>NOTIFY</command> in a statement trigger that is triggered by table updates.
    In this way, notification happens automatically when the table is changed,
    and the application programmer cannot accidentally forget to do it.
   </para>