Update app.py

app.py

@@ -266,7 +266,7 @@ with gr.Blocks(theme=gr.themes.Soft(), css=css) as demo:
                     with gr.Column(scale=2):
                         prompt_input = gr.Textbox(label="Prompt (Optional)")
                     with gr.Column(scale=1):
-                        run_button = gr.Button("Generate Image / Diffusers Outpaint Image Lightning {Lightning v4, v5}", elem_classes="submit-btn")
+                        run_button = gr.Button("Generate Image / Diffusers Outpaint Image Lightning / Lightning v4, v5", elem_classes="submit-btn")
                         
                 with gr.Row():
                     model_selector = gr.Dropdown(