Update app.py

app.py

@@ -225,7 +225,7 @@ description = f"""
         <a href="https://github.com/UCDvision/gen2seg" target="_blank">https://github.com/UCDvision/gen2seg</a>
     </p>
     <p>If the demo experiences issues, please open an issue on our GitHub.</p>
-    <p> If you have not already, please see our webpage at <a href="https://reachomk.github.io/gen2seg" target="_blank">https://reachomk.github.io/gen2seg</a>
+    <p> If you have not already, please see our webpage at <a href="https://reachomk.github.io/gen2seg" target="_blank">https://reachomk.github.io/gen2seg</a> or check out our Colab demo <a href="https://colab.research.google.com/drive/10lPBP4figJf7MLp9T1b5cDQeU7MgODw3?usp=sharing" target="_blank">here</a>.
 
 </div>
 """