Update feedback message in app.py

app.py

@@ -26,10 +26,9 @@ Give it a try! Upload an image or enter a URL to an image and click
 """
 
 NOTICE = """
-See something off? Your feedback makes a difference! Let us know by
-flagging any outcomes that don't seem right. Just click on `Flag`
-to submit the image for review. Note that by clicking `Flag`, you
-agree to the use of your image for A.I. improvement purposes.
+🚩 See something off? Your feedback makes a difference! Let us know by
+flagging any outcomes that don't seem right. Click the `Flag` button
+to submit the image for review.
 """
 
 css = """