diff --git a/doc/privacy-basics.md b/doc/privacy-basics.md
index 2198a1cb9..b231520c4 100644
--- a/doc/privacy-basics.md
+++ b/doc/privacy-basics.md
@@ -6,5 +6,7 @@ Firefox is likely the best browser for privacy. Use this to improve + customize:
 
 https://ebin.city/~werwolf/posts/firefox-hardening-guide/
 
+which is a guide around using and customizing the [Arkenfox](https://github.com/arkenfox/user.js/wiki/1.3-Implementation) user.js project
+
 Those are helpful when NOT using a Tor browser. If you are using Tor Browser (which is a fork of Firefox), then you do not need the above guide and should probably use the default that Tor Browser devs provide.