Update developer notes.

app.py

@@ -53,7 +53,8 @@ with gr.Blocks() as demo:
 
     with gr.Accordion('Developer Notes:', open=False):
         gr.Markdown('This simple tool handles a conversion I\'ve needed from time to time.\n\n'
-                    'Note that like many tools working with video this has a dependency on ffmpeg.')
+                    'Note that like many tools working with video this has a dependency on ffmpeg.\n\n'
+                    'An enhancement to this tool would optimize the generated gif to reduce its size.')
 
 if __name__ == '__main__':
     demo.launch()