sudo ~/.local/share/letsencrypt/bin/letsencrypt --agree-dev-preview --server https://acme-v01.api.letsencrypt.org/directory -a letsencrypt-varnish-plugin:varnish -d <domain> certonly
-There is no installation module, since Varnish itself does not support SSL.
-If there's enough interest, I might make a hitch installation module to go
-with the Varnish authenticator module.
+Varnish itself does not support SSL, so the module is just for authentication,
+just installation. There is a Hitch installation module at
+
+ https://git.sesse.net/?p=letsencrypt-hitch-plugin;a=summary
The Varnish authenticator plugin is licensed under the same terms as the Let's
Encrypt client itself.