diff --git a/docs/en-US/Book_Info.xml b/docs/en-US/Book_Info.xml
index c125ab8de2b..549e9a31a9f 100644
--- a/docs/en-US/Book_Info.xml
+++ b/docs/en-US/Book_Info.xml
@@ -27,7 +27,7 @@
     <title>&PRODUCT; Guide</title>
     <subtitle>Revised August 9, 2012 10:48 pm Pacific</subtitle>
     <productname>Apache CloudStack</productname>
-    <productnumber>4.0.0-incubating</productnumber>
+    <productnumber>4.0.1-incubating</productnumber>
     <edition>1</edition>
     <pubsnumber></pubsnumber>
     <abstract>
diff --git a/docs/en-US/Book_Info_Release_Notes_4-0.xml b/docs/en-US/Book_Info_Release_Notes_4-0.xml
index 454ef178f79..3960b1ef163 100644
--- a/docs/en-US/Book_Info_Release_Notes_4-0.xml
+++ b/docs/en-US/Book_Info_Release_Notes_4-0.xml
@@ -19,8 +19,8 @@
   under the License.
 -->
 <bookinfo id="book-release-notes-4.0">
-  <title>Version 4.0.0-incubating Release Notes</title>
-  <subtitle>Revised October 17, 2012 19:49 UTC</subtitle>
+  <title>Apache CloudStack 4.0.1-incubating Release Notes</title>
+  <subtitle>Revised December 15, 2012 05:49 UTC</subtitle>
   <productname>Apache CloudStack</productname>
   <productnumber/>
   <pubsnumber/>