more procedural doc cleanup

doc/src/sgml/xplang.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/xplang.sgml,v 1.9 2000/09/29 20:21:34 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/xplang.sgml,v 1.10 2000/11/04 21:06:37 momjian Exp $
 -->
 
  <chapter id="xplang">
@@ -66,7 +66,7 @@ CREATE FUNCTION <replaceable>handler_function_name</replaceable> ()
      <para>
       The PL must be declared with the command
       <programlisting>
-CREATE [ TRUSTED ] PROCEDURAL LANGUAGE '<replaceable>language-name</replaceable>'
+CREATE [ TRUSTED ] [ PROCEDURAL ] LANGUAGE '<replaceable>language-name</replaceable>'
     HANDLER <replaceable>handler_function_name</replaceable>
     LANCOMPILER '<replaceable>description</replaceable>';
       </programlisting>