Add description

app.py

@@ -70,7 +70,7 @@ examples = [
     ["a panda is surfing", 4, 128, 128, 10, 7.5]
 ]
     
-
+description = "This generates video from an input text, using [one-shot tuning of diffusion models](https://arxiv.org/abs/2212.11565). To use it, simply input a text."
 
 demo_app = gr.Interface(
     fn=tune_video_predict,
@@ -80,6 +80,7 @@ demo_app = gr.Interface(
     cache_examples=False,
     title="Tune-A-Video",
     theme="huggingface",
+    description=description
 )
 
 demo_app.launch(debug=True, enable_queue=True)