diff --git a/.config/firefox/README.md b/.config/firefox/README.md
index 53c504e..58f62dd 100644
--- a/.config/firefox/README.md
+++ b/.config/firefox/README.md
@@ -2,4 +2,5 @@ Symlink the file to the profile directory:
 ```
 ln -s ~/.config/firefox/userjs         ~/.mozilla/firefox/[PROFILE]/user.js
 ln -s ~/.config/firefox/userChrome.css ~/.mozilla/firefox/[PROFILE]/chrome/userChrome.css
+ln -s ~/.config/firefox/userContent.css ~/.mozilla/firefox/[PROFILE]/chrome/userContent.css
 ```