Docs: update hero video link.

README.md

@@ -45,7 +45,7 @@ LTX-2 was presented in the paper [LTX-2: Efficient Joint Audio-Visual Foundation
 
 LTX-2.3 is a DiT-based audio-video foundation model designed to generate synchronized video and audio within a single model. It brings together the core building blocks of modern video generation, with open weights and a focus on practical, local execution. 
 
-[![LTX-2 Open Source](ltx2.3-open.png)](https://www.youtube.com/watch?v=8fWAJXZJbRA)
+[![LTX-2 Open Source](ltx2.3-open.png)](https://youtu.be/o-7us-BR_gQ)
 
 # Model Checkpoints