message: Add video link to XSS demo again
diff: @@ -209,6 +209,9 @@ and login. Apart from the visual/audible effect, the attacker also
  installed [an input logger](http://localhost:8080/logger.php) to grab
  credentials! This could easily run on a 3rd party server in real life!
  +> You can also find a recording of this attack in action on YouTube:
  +> [:tv:](https://www.youtube.com/watch?v=L7ZEMWRm7LA)
  +
  ## Additional Documentation
  