diff --git a/reference/datetime/timezones.xml b/reference/datetime/timezones.xml
index d5aef3ee02..d3098f8077 100644
--- a/reference/datetime/timezones.xml
+++ b/reference/datetime/timezones.xml
@@ -8,7 +8,7 @@
 
  <note>
   <simpara>
-   &date.timezone.dbversion; 2011.11.
+   &date.timezone.dbversion; 2011.12.
   </simpara>
  </note>