diff --git a/zefie_wtvp_minisrv/includes/classes/HTTPX.js b/zefie_wtvp_minisrv/includes/classes/HTTPX.js
index 7ef37a1c..3e86f816 100644
--- a/zefie_wtvp_minisrv/includes/classes/HTTPX.js
+++ b/zefie_wtvp_minisrv/includes/classes/HTTPX.js
@@ -1,3 +1,5 @@
+// From https://stackoverflow.com/a/42019773
+
 'use strict';
 let net = require('net');
 let http = require('http');