-You'll also need a working AFS client and the Athena client certificate CA. Both of these can be most easily configured by [installing Debathena](http://debathena.mit.edu/install). You can install any Debathena flavor you'd like, but `debathena-standard` flavor should include everything you need.
+You'll also need a working AFS client and the Athena client certificate CA. Both of these can be most easily configured by [installing Debathena](https://debathena.mit.edu/install). You can install any Debathena flavor you'd like, but `debathena-standard` flavor should include everything you need.