diff --git a/src/bang.ts b/src/bang.ts
index 408db1d..8425bec 100644
--- a/src/bang.ts
+++ b/src/bang.ts
@@ -1,3 +1,5 @@
+// This file was (mostly) ripped from https://duckduckgo.com/bang.js
+
 export const bangs = [
   {
     c: "AI",