diff --git a/public/js/ajax.js b/public/js/ajax.js
index 72ef1f7..e128820 100644
--- a/public/js/ajax.js
+++ b/public/js/ajax.js
@@ -1,3 +1,5 @@
+// TODO: https://github.com/honza/140medley/blob/master/140medley.js
+
 "use strict";
 
 // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest