Update app.py

app.py

@@ -383,6 +383,7 @@ with gr.Blocks() as demo:
     examples = gr.Examples(examples=demo_examples, 
                            label="Examples (Just click on Video Editing button after loading them into the UI)",
                             inputs=[video_input, image_input_output, video_prompt, av_pnp_f_t, av_pnp_spatial_attn_t, av_pnp_temp_attn_t])
+    gr.Markdown('Reference: You can find good source videos from https://www.pexels.com/videos/')
 
     btn_pv.click(
         btn_preprocess_video_fn,