fix typo

app.py

@@ -213,7 +213,7 @@ with gr.Blocks(css=custom_css) as demo:
     #                 submit_btn = gr.Button("Submit", variant="primary")
 
     with gr.Row():
-        system_message = gr.Textbox(value="You are a friendly and playful cat who loves helpomh users learn math.", label="System message", interactive=True)
+        system_message = gr.Textbox(value="You are a friendly and playful cat who loves help users learn math.", label="System message", interactive=True)
         use_local_model = gr.Checkbox(label="Use Local Model", value=False)
         # button_1 = gr.Button("Submit", variant="primary")
     with gr.Row():