diff --git a/docs/source/reference/config-sudo.md b/docs/source/reference/config-sudo.md
index 11be2c12..cc0fdf9c 100644
--- a/docs/source/reference/config-sudo.md
+++ b/docs/source/reference/config-sudo.md
@@ -122,8 +122,8 @@ the shadow password database.
 
 **Note:** On Fedora based distributions there is no clear way to configure
 the PAM database to allow sufficient access for authenticating with the target user's password
-from JupyterHub. As a workaround we recommend use an alternative authentication method, e.g.
-[sshauthenticator](https://github.com/andreas-h/sshauthenticator).
+from JupyterHub. As a workaround we recommend use an
+[alternative authentication method](https://github.com/jupyterhub/jupyterhub/wiki/Authenticators).
 
 ```bash
 $ ls -l /etc/shadow