diff --git a/docs/en-US/add-clusters-ovm.xml b/docs/en-US/add-clusters-ovm.xml
index d375a743de7..0e00a7f0799 100644
--- a/docs/en-US/add-clusters-ovm.xml
+++ b/docs/en-US/add-clusters-ovm.xml
@@ -3,6 +3,25 @@
 <!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
 %BOOK_ENTITIES;
 ]>
+
+<!-- Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
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+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
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+    http://www.apache.org/licenses/LICENSE-2.0
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+    under the License.
+-->
+
 <section id="add-clusters-ovm">
     <title>Add Cluster: OVM</title>
     <para>To add a Cluster of hosts that run Oracle VM (OVM):</para>