diff --git a/basis/ui/tools/browser/browser.factor b/basis/ui/tools/browser/browser.factor
index 7c59030bba..15a3450438 100644
--- a/basis/ui/tools/browser/browser.factor
+++ b/basis/ui/tools/browser/browser.factor
@@ -171,7 +171,7 @@ browser-gadget "scrolling"
 : com-font-size-plus ( browser -- )
     2 adjust-help-font-size model>> notify-connections ;
 
-: com-font-size-minus ( listener -- )
+: com-font-size-minus ( browser -- )
     -2 adjust-help-font-size model>> notify-connections ;
 
 browser-gadget "fonts" f {