fix broken link

Author: caev03

docs/index.html

@@ -166,7 +166,7 @@ <h2 id="video" style="padding-top:4.5rem; margin-top:-4.5rem; margin-left: 18px"
       <div class="col-sm-2"></div>
       <div class="col-sm-8">
         <p align="center">
-          <iframe width="700" height="394" src="https://www.youtube.com/embed/_KuGMZCYTPI" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></p>
+          <iframe width="700" height="394" src="https://www.youtube.com/embed/Pa448bHXKxY" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></p>
           </p>
       </div>
       <div class="col-sm-2"></div>