diff --git a/src/reference/docbook/index.xml b/src/reference/docbook/index.xml
index 698c8e1e2d..c6f8d2bbe7 100644
--- a/src/reference/docbook/index.xml
+++ b/src/reference/docbook/index.xml
@@ -76,6 +76,7 @@
       <year>2010</year>
       <year>2011</year>
       <year>2012</year>
+      <year>2013</year>
       <holder>VMware, Inc. All rights reserved. VMware is a registered trademark or trademark of VMware, Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.
       </holder>
     </copyright>