diff --git a/doc/src/sgml/trigger.sgml b/doc/src/sgml/trigger.sgml
new file mode 100644
index 67e1861..f62f420
*** a/doc/src/sgml/trigger.sgml
--- b/doc/src/sgml/trigger.sgml
***************
*** 230,236 ****
      used to signal that the trigger performed the necessary data
      modifications in the view.  This will cause the count of the number
      of rows affected by the command to be incremented. For
!     <command>INSERT</command> and <command>UPDATE</command> operations, the trigger
      may modify the <varname>NEW</varname> row before returning it.  This will
      change the data returned by
      <command>INSERT RETURNING</command> or <command>UPDATE RETURNING</command>,
--- 230,236 ----
      used to signal that the trigger performed the necessary data
      modifications in the view.  This will cause the count of the number
      of rows affected by the command to be incremented. For
!     <command>INSERT</command> and <command>UPDATE</command> operations only, the trigger
      may modify the <varname>NEW</varname> row before returning it.  This will
      change the data returned by
      <command>INSERT RETURNING</command> or <command>UPDATE RETURNING</command>,