diff --git a/certbot/docs/using.rst b/certbot/docs/using.rst
index bb40d5d82..dd9230576 100644
--- a/certbot/docs/using.rst
+++ b/certbot/docs/using.rst
@@ -1238,8 +1238,11 @@ Configuration file
 ==================
 
 Certbot accepts a global configuration file that applies its options to all invocations
-of Certbot. Certificate specific configuration choices should be set in the ``.conf``
-files that can be found in ``/etc/letsencrypt/renewal``.
+of Certbot. Certificate-specific configuration choices are stored in the ``.conf``
+files that can be found in ``/etc/letsencrypt/renewal``. See 
+`Modifying the Renewal Configuration of Existing Certificates`_ for more information
+about modifying certificate-specific options. Note that it is not recommended to modify
+these certificate-specific renewal configuration files manually.
 
 By default no cli.ini file is created (though it may exist already if you installed Certbot
 via a package manager, for instance).