diff --git a/call/static/call/2bitcharactergenerator.js b/call/static/call/2bitcharactergenerator.js
index 1830a2d..79e06d5 100644
--- a/call/static/call/2bitcharactergenerator.js
+++ b/call/static/call/2bitcharactergenerator.js
@@ -1,3 +1,6 @@
+// This code is from:
+// https://0x72.itch.io/2bitcharactergenerator
+
 var PARTS_MAX = {
     eyes: 12,
     mouth: 8,