Update app.py

app.py

@@ -486,7 +486,7 @@ with gr.Blocks() as demo:
                     info="removes background from input images, enable to prevent unwanted background elements in the generated video"
                 )
                 
-            prompt_input = gr.Textbox(label="Prompt", value=MODE_PROMPTS["reference"])
+            prompt_input = gr.Textbox(label="Prompt", value=MODE_PROMPTS["Reference"])
             duration_seconds_input = gr.Slider(
                 minimum=round(MIN_FRAMES_MODEL/FIXED_FPS,1), 
                 maximum=round(MAX_FRAMES_MODEL/FIXED_FPS,1),