diff --git a/README.md b/README.md
index f0d47a4..f5605cb 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ If this doesn't work I suggest you to use **second root method** below.
 - Select the browser you want to apply `user.js` through the `SELECT BROWSER` bar at the top
 - Select `quindecim` as the author
 - Tap `UPDATE` at the bottom and grant root permission to proceed
-- Start Fennec F-Droid and test if `user.js` was applied browsing to `about:config` and look if `user.js.applied` is `true`.
+- Start Fennec F-Droid and test if `user.js` was applied browsing to `about:config` and look if `_config.applied` is `true`.
 
 Thanks to [v1nc](https://github.com/v1nc/) for creating this app, useful for this method.