diff --git a/docs/using.rst b/docs/using.rst
index f43fd15c5..15658b2c5 100644
--- a/docs/using.rst
+++ b/docs/using.rst
@@ -20,8 +20,10 @@ but for most users who want to avoid running an ACME client as root, either
 `letsencrypt-nosudo <https://github.com/diafygi/letsencrypt-nosudo>`_ or
 `simp_le <https://github.com/kuba/simp_le>`_ are more appropriate choices.
 
-The Apache plugin currently requires a Debian-based OS with augeas version
-1.0; this includes Ubuntu 12.04+ and Debian 7+.
+The Apache plugin currently requires OS with augeas version 1.0; currently `it
+supports
+<https://github.com/certbot/certbot/blob/master/certbot-apache/certbot_apache/constants.py>`_
+modern OSes based on Debian, Fedora, SUSE, Gentoo and Darwin.
 
 
 Getting Certbot