diff --git a/README.rst b/README.rst
index 07227488dcdaa03ffa92b09873294572f634bc07..9a39773063e8454431deee1011ff4086d824c885 100644
--- a/README.rst
+++ b/README.rst
@@ -45,6 +45,11 @@ debconf.
     cryptographically insecure, future formula versions should use the
     newly available ``random.get_str`` method.
 
+``mysql.disabled``
+------------------
+
+Ensure that the MySQL service is not running.
+
 ``mysql.database``
 ------------------