Update app.py

app.py

@@ -103,7 +103,7 @@ class ImageGenerator:
         
         for param_type in ['layout', 'ambiance', 'palette']:
             if params.get(param_type):
-                prompt += f", {COMPOSITION_PARAMS[param_type.capitalize() + 's'][params[param_type]]}"
+                prompt += f", {COMPOSITION_PARAMS[param_type.capitalize()][params[param_type]]}"
         
         for param, description in [
             ("detail_level", "highly detailed" if params.get("detail_level", 0) > 7 else "moderately detailed"),