diff --git a/antlib.xml b/antlib.xml
index 30c8fa6..fe4ae03 100644
--- a/antlib.xml
+++ b/antlib.xml
@@ -1,4 +1,21 @@
-<?xml version="1.0"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   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
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
 <antlib>
     <scriptdef name="generate" language="javascript">
         <element name="fileset" type="fileset"/>