Update app.py

app.py

@@ -130,7 +130,7 @@ with gr.Blocks(css=css) as demo:
             with gr.Row():
                 lang = gr.Dropdown(label="Pick a language", choices=["English", "French", "German", "Hindi", "Italian", "Polish", "Portuguese", "Spanish"], value="English")
                 age = gr.Dropdown(label="Age target", choices=["3","4","5","6","7"], value="5")
-        openai_key = gr.Textbox(label="Your OpenAI API key", type="password")
+        openai_key = gr.Textbox(label="🔑 Your OpenAI API key", type="password", info="*required")
         submit_btn = gr.Button('Submit')
         
         audio = gr.Audio(label="The story audio told")