add paper link

app.py

@@ -15,7 +15,7 @@ def inference(image,audio):
 title = "Wav2lip"
 description = "Gradio demo for Wav2lip: Accurately Lip-syncing Videos In The Wild. To use it, simply upload your image and audio file, or click one of the examples to load them. Read more at the links below. Please trim audio file to maximum of 3-4 seconds"
 
-article = "<p style='text-align: center'><a href='https://github.com/PaddlePaddle/PaddleGAN/blob/develop/docs/en_US/tutorials/wav2lip.md' target='_blank'>Github Repo</a></p>"
+article = "<p style='text-align: center'><a href='https://arxiv.org/abs/2008.10010' target='_blank'>A Lip Sync Expert Is All You Need for Speech to Lip Generation In The Wild</a> | <a href='https://github.com/PaddlePaddle/PaddleGAN/blob/develop/docs/en_US/tutorials/wav2lip.md' target='_blank'>Github Repo</a></p>"
 examples=[['monatest.jpeg',"game.wav"]]
 iface = gr.Interface(inference, [gr.inputs.Image(type="filepath"),gr.inputs.Audio(source="microphone", type="filepath")], 
 outputs=gr.outputs.Video(label="Output Video"),examples=examples,enable_queue=True,title=title,article=article,description=description)