Update app.py

app.py

@@ -237,6 +237,7 @@ def generate_video(gallery_images, mode, prompt, height, width,
 
 control_modes = """
 **3 control modes avilable:**
+
 **Ref2V (Reference-to-Video)** Generate a video incorporating elements from input reference images
 
 **FLF2V (First-Last Frame-to-Video)** Generate a video using first and last frame conditioning defined by input images