Update app.py

app.py

@@ -449,9 +449,16 @@ with gr.Blocks(title = page_title) as demo:
             )
         with gr.Row():
             model_radio = gr.Radio(["gpt-3.5-turbo", "gpt-4", "GPT-4-turbo"], elem_id="model_radio", value="gpt-3.5-turbo", 
-                                label='GPT model: ', show_label=True,interactive=True, visible=True) 
-            openai_api_key_textbox = gr.Textbox(placeholder="Paste your OpenAI API key (sk-...) and hit Enter",
-                                        show_label=False, lines=1, type='password')
+                                label='GPT model', 
+                                show_label=True,
+                                interactive=True, 
+                                visible=True) 
+            openai_api_key_textbox = gr.Textbox(
+                label='OpenAI API key',
+                placeholder="Paste your OpenAI API key (sk-...) and hit Enter", 
+                show_label=False, 
+                lines=1, 
+                type='password')
             
     openai_api_key_textbox.change(set_openai_api_key,
         inputs=[openai_api_key_textbox],