better tab name

app.py

@@ -145,7 +145,7 @@ with gr.Blocks() as demo:
         with gr.Accordion("Source code", open=True):
             gr.Code(_get_demo_code("app_1M_image.py"), language="python")
 
-    with gr.Tab("Parquet Dataset"):
+    with gr.Tab("Parquet Dataset (e.g. save user preferences)"):
         gr.Markdown(PARQUET_DEMO_EXPLANATION)
         get_demo_parquet()
         gr.Markdown(