Adding "Model" string to radio group

app.py

@@ -71,7 +71,7 @@ with gr.Blocks(title="Mistral Playground", css=css) as mistral_playground:
             
     with gr.Row(variant='panel'):
         api_key = gr.Textbox(type='password', placeholder='Your Mistral AI API key', lines=1, label="Mistral AI API Key")
-        model = gr.Radio(
+        model = gr.Radio(label="Model",
             choices=["open-mistral-7b", "open-mixtral-8x7b", "mistral-small-latest", "mistral-medium-latest", "mistral-large-latest"],
             value="mistral-medium-latest",
         )