Update app.py

app.py

@@ -355,7 +355,7 @@ def create_readme(info: Dict[str, Any], downloaded_files: Dict[str, Any], user_r
         negative_prompt_content = f"negative_prompt: {negative_prompt}\n" if negative_prompt else ""
         # Corrected YAML for widget:
         widget_content += f"""- text: '{escaped_prompt}'
-  {negative_prompt}
+  {negative_prompt_content}
   output:
     url: >-
       {base_media_filename}