Update app.py

app.py

@@ -12,6 +12,9 @@ get_window_url_params = """
     """
 
 with gr.Blocks() as demo:
+    gr.Markdown("""## Gradio send queryparam to chatbot
+type `read query`    
+""")
     url_params = gr.JSON({}, visible=False, label="URL Params")
     chatbot = gr.Chatbot().style(height=500)
     msg = gr.Textbox()