diff --git a/src/other/firefox/common/parts/headerbar.css b/src/other/firefox/common/parts/headerbar.css
index 7e7ed852..3a35afa5 100644
--- a/src/other/firefox/common/parts/headerbar.css
+++ b/src/other/firefox/common/parts/headerbar.css
@@ -120,6 +120,7 @@ toolbar .toolbaritem-combined-buttons > .toolbarbutton-1 {
 	padding: 0 3px !important;
 }
 
+/* New tab url bar focusing */
 #urlbar[focused]:not([suppress-focus-border]) > #urlbar-background, 
 #searchbar:focus-within {
 	outline: none !important;