diff --git a/yocto-poky/documentation/dev-manual/dev-manual.xml b/yocto-poky/documentation/dev-manual/dev-manual.xml
index 3ddd01f..791a8cb 100644
--- a/yocto-poky/documentation/dev-manual/dev-manual.xml
+++ b/yocto-poky/documentation/dev-manual/dev-manual.xml
@@ -81,6 +81,11 @@
                 <date>October 2015</date>
                 <revremark>Released with the Yocto Project 2.0 Release.</revremark>
             </revision>
+            <revision>
+                <revnumber>2.1</revnumber>
+                <date>April 2016</date>
+                <revremark>Released with the Yocto Project 2.1 Release.</revremark>
+            </revision>
         </revhistory>
 
     <copyright>