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 channel [ , 
   
    When NOTIFY is used to signal the occurrence of changes
    to a particular table, a useful programming technique is to put the
-   NOTIFY in a rule that is triggered by table updates.
+   NOTIFY 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.