Fixed YouTube link

app.py

@@ -180,7 +180,7 @@ intro = """
 </h3>
 <h4 style="text-align: center; margin-bottom: 6px;">
     <a href="https://github.com/crlandsc/tiny-audio-diffusion" style="text-decoration: underline;" target="_blank">GitHub Repo</a> 
-    | <a href="https://www.youtube.com/watch?v=m6Eh2srtTro&t=3s" style="text-decoration: underline;" target="_blank">Repo Tutorial Video</a> 
+    | <a href="https://youtu.be/m6Eh2srtTro" style="text-decoration: underline;" target="_blank">Repo Tutorial Video</a> 
     | <a href="https://medium.com/towards-data-science/tiny-audio-diffusion-ddc19e90af9b" style="text-decoration: underline;" target="_blank">Towards Data Science Article</a>
 </h4>
 """