diff --git a/mubeng/README.md b/mubeng/README.md
index cb02b0b..bfea4fe 100644
--- a/mubeng/README.md
+++ b/mubeng/README.md
@@ -23,4 +23,4 @@ $ curl --cacert mubeng.crt -x localhost:3128 https://ipinfo.io
 [Install a root CA certificate in the trust store][2]
 
 [1]: https://github.com/kitabisa/mubeng
-[2]: https://ubuntu.com/server/docs/install-a-root-ca-certificate-in-the-trust-store
+[2]: https://documentation.ubuntu.com/server/how-to/security/install-a-root-ca-certificate-in-the-trust-store/