Update app.py

app.py

@@ -41,6 +41,7 @@ def build_interface() -> gr.Blocks:
             with gr.Column(scale=2):
                 gr.Markdown(DESCRIPTION_MD)
             with gr.Column(scale=1):
+                gr.Markdown("### How to use\n")
                 gr.Video(value="docs/demo.mp4", autoplay=True)
         with gr.Row():
             # -----------------------------------------------------------------