Update app.py

app.py

@@ -18,7 +18,7 @@ def generate_video(prompt, oauth_token: gr.OAuthToken | None = None):
     if oauth_token is None:
         raise gr.Error("Please sign in with your Hugging Face account first.")
     if not prompt or not prompt.strip():
-        raise gr.Error("Please enter a text prompt.")
+        raise gr.Error("A cinematic drone shot of a majestic tiger walking through a misty jungle at sunrise, ultra realistic, 4K, dramatic lighting, smooth camera movement.")
 
     client = InferenceClient(provider=PROVIDER, token=oauth_token.token)
     video_bytes = client.text_to_video(prompt, model=MODEL_ID)