diff --git a/README.md b/README.md
index 01f4b64..d045e05 100644
--- a/README.md
+++ b/README.md
@@ -101,6 +101,9 @@ git pull origin master
 1. Go to your profile folder. (Go to `about:support` in Firefox > Application Basics > Profile Directory > Open Directory)
 2. Remove `chrome` folder.
 
+## Scrollbars
+To achieve Firefox with overlay scrollbars install [firefox-gnome-scrollbars](https://github.com/rafaelmardojai/firefox-gnome-scrollbars).
+
 ## Enabling optional features
 Open `chrome/firefox-gnome-theme/userChrome.css` with a text editor and follow instructions to enable extra features. Keep in mind this file might change in future versions and your configuration will be lost. You can copy the @imports you want to enable to a new file named `customChrome.css` directly in your `chrome/firefox-gnome-theme` directory if you want it to survive updates. Remember all @imports must be at the top of the file, before other statements.