Update app.py

app.py

@@ -331,6 +331,10 @@ metal3d = gr.Blocks()
 
 with metal3d:
     gr.Markdown("# Metal3D")
+    gr.Markdown(
+    """ <em>Inference using CPU-only, can be quite slow for more than 20 residues. Use [Colab notebook](https://colab.research.google.com/github/lcbc-epfl/metal-site-prediction/blob/main/Metal3D/ColabMetal.ipynb) for GPU acceleration</em>
+    """
+    )
     with gr.Tabs():
         with gr.TabItem("Input"):
             inp = gr.Textbox(
@@ -380,10 +384,7 @@ with metal3d:
         ],
     )
     examples.click(fn=set_examples, inputs=examples, outputs=examples.components)
-    # gr.Markdown(
-    #    """ <small>Inference using CPU-only, can be quite slow for more than 20 residues. Use Colab notebook for GPU acceleration</small>
-    # """
-    # )
+
 
     gr.Markdown("# Output")