diff --git a/user.js b/user.js
index 8db64932..39086e26 100644
--- a/user.js
+++ b/user.js
@@ -202,7 +202,7 @@ user_pref("userChrome.rounding.square_tab",           false);
 // user_pref("userContent.player.ui.twoline",                  true);
 
 // user_pref("userContent.newTab.hidden_logo",                 true);
-// user_pref("userContent.newTab.background_image",            true); // Need wallpaper image --uc-newTab-wallpaper: url("../icons/background_image.png");
+// user_pref("userContent.newTab.background_image",            true); // Need wallpaper image to `userContent.css`. :root { --uc-newTab-wallpaper: url("../icons/background_image.png"); }
 
 // user_pref("userContent.page.proton_color.dark_blue_accent", true);
 // user_pref("userContent.page.proton_color.system_accent",    true);