diff --git a/apps/vtn/vtnweb/src/main/webapp/WEB-INF/web.xml b/apps/vtn/vtnweb/src/main/webapp/WEB-INF/web.xml
index 305222f..e093d13 100644
--- a/apps/vtn/vtnweb/src/main/webapp/WEB-INF/web.xml
+++ b/apps/vtn/vtnweb/src/main/webapp/WEB-INF/web.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright 2015 Open Networking Laboratory
+  ~ Copyright 2015-present Open Networking Laboratory
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.