diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 96ec2d75c..45e1a22b9 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -64,3 +64,4 @@ If you set your `user.name` and `user.email` git configs, you can sign
 your commit automatically with git commit -s.
 
 [dco]: http://developercertificate.org/
+[js]: https://opensource.janestreet.com/