diff --git a/src/cjs-require.js b/src/cjs-require.js
index 263559c..8b6e2d5 100644
--- a/src/cjs-require.js
+++ b/src/cjs-require.js
@@ -1,3 +1,5 @@
+// This allows us to use `require` in our ECMAScript module
+// https://nodejs.org/api/module.html#modulecreaterequirefilename
 import { createRequire } from "module";
 const require = createRequire(import.meta.url);