diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml
index 6cb179728d7..8d44ab43013 100644
--- a/doc/src/sgml/ddl.sgml
+++ b/doc/src/sgml/ddl.sgml
@@ -3090,7 +3090,8 @@ VALUES ('Albany', NULL, NULL, 'NY');
     That means partitioned tables and partitions do not participate in
     inheritance with regular tables.  Since a partition hierarchy consisting
     of the partitioned table and its partitions is still an inheritance
-    hierarchy, all the normal rules of inheritance apply as described in
+    hierarchy, <structfield>tableoid</structfield> and all the normal rules
+    of inheritance apply as described in
     <xref linkend="ddl-inherit"> with some exceptions, most notably:
 
     <itemizedlist>