diff --git a/private_dot_mozilla/private_firefox/private_personal-profile.default/user.js.tmpl b/private_dot_mozilla/private_firefox/private_personal-profile.default/user.js.tmpl
index f49e992..21cb9c8 100644
--- a/private_dot_mozilla/private_firefox/private_personal-profile.default/user.js.tmpl
+++ b/private_dot_mozilla/private_firefox/private_personal-profile.default/user.js.tmpl
@@ -2,6 +2,9 @@
     My custom defined user.js browser settings for Firefox
 
     ln -s ~/data/configs/browser.configs/user.js ~/.mozilla/firefox/<profile-folder>/user.js
+
+    Many of the following are taken from various user.js hardening profiles.
+        Primarily https://github.com/pyllyukko/user.js/blob/master/user.js
 */
 
 /*******************************************************************************