Added Matthew Berman video.

README.md

@@ -59,7 +59,7 @@
 <img width="972" alt="fabric_intro_video" src="https://github.com/danielmiessler/fabric/assets/50654/1eb1b9be-0bab-4c77-8ed2-ed265e8a3435"></a>
     <br /><br />
 <a href="http://www.youtube.com/watch?feature=player_embedded&v=lEXd6TXPw7E target="_blank">
- <img src="http://img.youtube.com/vi/lEXd6TXPw7E/mqdefault.jpg" alt="Watch the video" width="240" height="972" />
+ <img src="http://img.youtube.com/vi/lEXd6TXPw7E/mqdefault.jpg" alt="Watch the video" width="240" width="972" />
 </a>
 </div>