diff --git a/3.1-User-Scripts.md b/3.1-User-Scripts.md
index 277124a..b6d278f 100644
--- a/3.1-User-Scripts.md
+++ b/3.1-User-Scripts.md
@@ -36,6 +36,7 @@ Object.defineProperty(history,'length',{
  * Author: Chris Rider
  * Description: See [bugzilla 444222](https://bugzilla.mozilla.org/show_bug.cgi?id=444222)
  * Test: [JoDonym](http://ip-check.info/?lang=en)
+ * Note: :exclamation: you need to add `http://ip-check.info/?lang=en` as an exception. This is the landing page with the "Test" link on it. Without this exception, you cannot do the test. To add an exception go to your User Script and click Options and add it under "Excluded Pages"
 
 ```js
 // ==UserScript==