Update hackaprompt/gradio_app.py

hackaprompt/gradio_app.py

@@ -150,6 +150,8 @@ with gr.Blocks(css="""
     
     Good luck! 💪
 
+    📖 Reference: This app is based on the work described in the paper [Ignore This Title and HackAPrompt](https://aclanthology.org/2023.emnlp-main.302/) which exposes the systematic vulnarabilities of generative AI models.
+
     📝 Note: For data retention details, refer to the [OpenAI API Privacy Policy](https://openai.com/enterprise-privacy/).
     """