diff --git a/poky/documentation/sdk-manual/sdk-manual.xml b/poky/documentation/sdk-manual/sdk-manual.xml
index e858b9b..60db9dc 100644
--- a/poky/documentation/sdk-manual/sdk-manual.xml
+++ b/poky/documentation/sdk-manual/sdk-manual.xml
@@ -56,6 +56,11 @@
                 <date>May 2018</date>
                 <revremark>Released with the Yocto Project 2.5 Release.</revremark>
             </revision>
+            <revision>
+                <revnumber>2.5.1</revnumber>
+                <date>September 2018</date>
+                <revremark>The initial document released with the Yocto Project 2.5.1 Release.</revremark>
+            </revision>
        </revhistory>
 
     <copyright>