diff --git a/README.md b/README.md
index ab8ebd9..b91491f 100644
--- a/README.md
+++ b/README.md
@@ -480,3 +480,5 @@ It's a great way to learn.
 [![CC0](https://mirrors.creativecommons.org/presskit/buttons/88x31/svg/cc-zero.svg)](https://creativecommons.org/publicdomain/zero/1.0/)
 
 This repository is the work of [many contributors](https://github.com/codecrafters-io/build-your-own-x/graphs/contributors). It was started by [Daniel Stefanovic](https://github.com/danistefanovic), and is now maintained by [CodeCrafters, Inc.](https://codecrafters.io) To the extent possible under law, [CodeCrafters, Inc.](https://codecrafters.io) has waived all copyright and related or neighboring rights to this work.
+
+- Extra learning link (via @ex1234)