diff --git a/doc/src/sgml/legal.sgml b/doc/src/sgml/legal.sgml
index 1c40ec47ee3..0562eb57030 100644
--- a/doc/src/sgml/legal.sgml
+++ b/doc/src/sgml/legal.sgml
@@ -1,5 +1,7 @@
 <!-- doc/src/sgml/legal.sgml -->
 
+<date>2013</date>
+
 <copyright>
  <year>1996-2013</year>
  <holder>The PostgreSQL Global Development Group</holder>