diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 6bb418ed4f..9a345500f8 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -1030,7 +1030,7 @@ class Columns(PreferencesPlugin):
 class Toolbar(PreferencesPlugin):
     name = 'Toolbar'
     icon = I('wizard.png')
-    gui_name = _('Toolbar')
+    gui_name = _('Toolbars')
     category = 'Interface'
     gui_category = _('Interface')
     category_order = 1