Update app.py

app.py

@@ -70,6 +70,12 @@ def generate_response(selected_question):
     return chat_history
 
 with gr.Blocks() as demo:
+    gr.Markdown(
+    """
+    # Hello World!
+    Start typing below to see the output.
+    """)
+    
     chatbot = gr.Chatbot(
         initialize_chat(),
         elem_id="chatbot",