diff --git a/apps/vtn/vtnweb/src/main/resources/app/view/sfc/sfc.css b/apps/vtn/vtnweb/src/main/resources/app/view/sfc/sfc.css
index f04d27e..a721455 100644
--- a/apps/vtn/vtnweb/src/main/resources/app/view/sfc/sfc.css
+++ b/apps/vtn/vtnweb/src/main/resources/app/view/sfc/sfc.css
@@ -1,5 +1,5 @@
 /*
- * 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.