diff --git a/web/webrtc.html b/web/webrtc.html
index 635e7f8e3..ac7e037e5 100644
--- a/web/webrtc.html
+++ b/web/webrtc.html
@@ -1,6 +1,29 @@
 <!doctype html>
 <html>
 
+<!--
+ -- WebRTC demo
+ -- 
+ -- @author Steffen Vogel <svogel2@eonerc.rwth-aachen.de>
+ -- @copyright 2014-2022, Institute for Automation of Complex Power Systems, EONERC
+ -- @license GNU General Public License (version 3)
+ -- 
+ -- VILLASnode
+ -- 
+ -- This program is free software: you can redistribute it and/or modify
+ -- it under the terms of the GNU General Public License as published by
+ -- the Free Software Foundation, either version 3 of the License, or
+ -- any later version.
+ -- 
+ -- This program is distributed in the hope that it will be useful,
+ -- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ -- GNU General Public License for more details.
+ -- 
+ -- You should have received a copy of the GNU General Public License
+ -- along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ -->
+
 <head>
     <title>VILLASnode: Simple WebRTC node example</title>
     <meta charset="utf-8">
