diff --git a/test/automated-suite.js b/test/automated-suite.js
index facdc29..ea518b1 100644
--- a/test/automated-suite.js
+++ b/test/automated-suite.js
@@ -75,6 +75,7 @@ describe('Test Propel', function() {
       let initialisePromise = Promise.resolve();
       if (browserInfo.seleniumBrowserId === 'firefox') {
         // H/T to web-push for this trick to get permissions accepted / denied
+        // https://github.com/marco-c/web-push
         initialisePromise = globalDriverReference.executeScript(() => {
           /* global window, Components */
           window.netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');