diff --git a/src/calibre/library/cli.py b/src/calibre/library/cli.py
index ab7a4ade69..2ccc686c99 100644
--- a/src/calibre/library/cli.py
+++ b/src/calibre/library/cli.py
@@ -656,6 +656,7 @@ def catalog_option_parser(args):
     
     # Merge options from GUI Preferences
     '''
+    # Placeholder sample code until we implement GUI preferences
     from calibre.library.save_to_disk import config
     c = config()
     for pref in ['asciiize', 'update_metadata', 'write_opf', 'save_cover']: