diff --git a/packages/core-js-compat/src/mapping.mjs b/packages/core-js-compat/src/mapping.mjs
index 73d414dd97e7..2b34852cbaad 100644
--- a/packages/core-js-compat/src/mapping.mjs
+++ b/packages/core-js-compat/src/mapping.mjs
@@ -192,6 +192,7 @@ export default {
     [111, '22.0'],
   ],
   // https://github.com/mdn/browser-compat-data/blob/main/browsers/opera_android.json
+  // https://forums.opera.com/category/20/opera-for-android
   ChromeAndroidToOperaAndroid: [
     [59, 43],
     [60, 44],