diff --git a/s/webrtc-simple-datachannel/index.html b/s/webrtc-simple-datachannel/index.html
index 30fba76..2254a24 100644
--- a/s/webrtc-simple-datachannel/index.html
+++ b/s/webrtc-simple-datachannel/index.html
@@ -36,4 +36,4 @@ <h1>MDN - WebRTC: Simple RTCDataChannel sample</h1>
     <p>Messages received:</p>
   </div>
 </body>
-</html
+</html>