diff --git a/doc/src/sgml/plperl.sgml b/doc/src/sgml/plperl.sgml
index 36ef2dd21c080e57245a37734845fa2730119e18..554aa99d390e9293ef87298effb2b536f9187dab 100644
--- a/doc/src/sgml/plperl.sgml
+++ b/doc/src/sgml/plperl.sgml
@@ -1,5 +1,5 @@
 <!--
-$PostgreSQL: pgsql/doc/src/sgml/plperl.sgml,v 2.36 2005/01/17 03:04:17 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/plperl.sgml,v 2.37 2005/01/17 17:29:49 momjian Exp $
 -->
 
  <chapter id="plperl">
@@ -543,22 +543,23 @@ $$ LANGUAGE plperl;
     </varlistentry>
 
     <varlistentry>
-     <term><literal>@{$_TD-&gt;{argv}}</literal></term>
+     <term><literal>$_TD-&gt;{argc}</literal></term>
      <listitem>
       <para>
-       Arguments of the trigger function
+       Number of arguments of the trigger function
       </para>
      </listitem>
     </varlistentry>
 
     <varlistentry>
-     <term><literal>$_TD-&gt;{argc}</literal></term>
+     <term><literal>@{$_TD-&gt;{args}}</literal></term>
      <listitem>
       <para>
-       Number of arguments of the trigger function
+       Arguments of the trigger function.  Does not exist if $_TD-&gt;{argc} is 0.
       </para>
      </listitem>
     </varlistentry>
+
    </variablelist>
   </para>