diff --git a/user.js b/user.js
index 263871c4..2f6154be 100644
--- a/user.js
+++ b/user.js
@@ -836,10 +836,10 @@ user_pref("browser.newtab.preload",				false);
 user_pref("browser.newtabpage.directory.ping",			"");
 user_pref("browser.newtabpage.directory.source",		"data:text/plain,{}");
 
-// PREF: Enable Auto Notification of Outdated Plugins
+// PREF: Enable Auto Notification of Outdated Plugins (Firefox < 50)
 // https://wiki.mozilla.org/Firefox3.6/Plugin_Update_Awareness_Security_Review
 // CIS Version 1.2.0 October 21st, 2011 2.1.2
-// TODO removed in FF50 ? (#290)
+// https://hg.mozilla.org/mozilla-central/rev/304560
 user_pref("plugins.update.notifyUser",				true);