diff --git a/docs/usage.rst b/docs/usage.rst
index e7093068920a970ff4b3c4e5e8b93c54c4e27b2a..33174c8f5e5be40ef5ee885cfbcf9fbd8af9916d 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -1409,6 +1409,9 @@ Before we start, here is a couple of useful pointers regarding the
         - role: php_website
           # Our virtual host will for PHP website will respond to this name.
           fqdn: tbg.example.com
+          # TLS key and certificate to use for the virtual host.
+          https_tls_certificate: "{{ lookup('file', 'tls/tbg.example.com_https.pem') }}"
+          https_tls_key: "{{ lookup('file', 'tls/tbg.example.com_https.key') }}"
           # Some additional packages are required in order to deploy and use TBG.
           packages:
             - php-gd