Adding link to qr code generator

app.py

@@ -125,7 +125,7 @@ with gr.Blocks(css=css) as demo:
                            - ...And vice versa! There are many possibilities for what watermarks can provide.
                            - Watermarks can also provide information about content created by people.""")
             gr.Markdown("They are a useful tool for **AI provenance**.")
-            gr.Markdown()
+            gr.Markdown("**Expert level:** One particularly useful form of watermarking provides a link with more information, such as with a QR code, [which you can further customize to suit the style of your imagery](https://huggingface.co/spaces/huggingface-projects/QR-code-AI-art-generator).")
             gr.Markdown("""For more information on watermarking -- what watermarking is, why it's important, and the tools available on Hugging Face -- please check out [our blogpost on AI watermarking](https://huggingface.co/blog/watermarking).""")
             gr.Markdown()
             gr.Markdown("## Try it out below!")