*** a/doc/src/sgml/ref/notify.sgml
--- b/doc/src/sgml/ref/notify.sgml
***************
*** 152,158 **** NOTIFY <replaceable class="PARAMETER">channel</replaceable> [ , <replaceable cla
   <refsect1>
    <title>Notes</title>
  
!   <indexterm>
     <primary>pg_notify</primary>
    </indexterm>
  
--- 152,158 ----
   <refsect1>
    <title>Notes</title>
  
!   <indexterm zone="sql-notify">
     <primary>pg_notify</primary>
    </indexterm>