diff --git a/web/gui/src/main/webapp/_dev/trie-test.html b/web/gui/src/main/webapp/_dev/trie-test.html
index 2d6517a..a6a5000 100644
--- a/web/gui/src/main/webapp/_dev/trie-test.html
+++ b/web/gui/src/main/webapp/_dev/trie-test.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <!--
-  ~  Copyright 2016 Open Networking Laboratory
+  ~  Copyright 2016-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.