Update app.py

app.py

@@ -111,7 +111,7 @@ with gr.Blocks(css=css) as demo:
 
                 negative_prefix = gr.Textbox(
                     label="Negative prompt prefix",
-                    max_lines=3
+                    max_lines=3,
                     placeholder="e.g., worst quality, bad quality, jpeg artifacts, source_cartoon, 3d, (censor), monochrome,blurry, lowres, watermark, ",
                     value="bad quality, worst quality, bad quality, jpeg artifacts, source_cartoon, 3d, (censor), monochrome,blurry, lowres, watermark, ",
                 )