diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index eadfc12f15..b834f6226f 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -1232,7 +1232,7 @@ plugins += [LookAndFeel, Behavior, Columns, Toolbar, Search, InputOptions,
         Email, Server, Plugins, Tweaks, Misc, TemplateFunctions,
         MetadataSources, Keyboard, IgnoredDevices]
 
-#}}}
+# }}}
 
 # Store plugins {{{
 class StoreAllegroStore(StoreBase):