diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index 5ebd0c5766..d287e84866 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/catalogs.sgml,v 2.226 2010/08/17 04:37:20 petere Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/catalogs.sgml,v 2.227 2010/08/25 18:18:41 petere Exp $ -->
 <!--
  Documentation of the system catalogs, directed toward PostgreSQL developers
  -->
@@ -1444,6 +1444,16 @@
       </entry>
      </row>
 
+     <row>
+      <entry><structfield>reloftype</structfield></entry>
+      <entry><type>oid</type></entry>
+      <entry><literal><link linkend="catalog-pg-type"><structname>pg_type</structname></link>.oid</literal></entry>
+      <entry>
+       For typed tables, the OID of the underlying composite type,
+       zero for all other relations
+      </entry>
+     </row>
+
      <row>
       <entry><structfield>relowner</structfield></entry>
       <entry><type>oid</type></entry>