refresh
^^^^^^^
An integer describing the interval between checks for updates.
-By default, the RPZ zone's default is used
+By default, the RPZ zone's default is used.
+If allowed by :ref:`setting-allow-notify-for` and :ref:`setting-allow-notify-from`, a ``notify`` for an RPZ zone will initiate an freshness check.
maxReceivedMBytes
^^^^^^^^^^^^^^^^^
netmask of /32 or /128.
NOTIFY operations received from a client listed in one of these netmasks
-will be accepted and used to wipe any cache entries whose zones match
+will be accepted and used to initiate a freshness check for an RPZ zone or wipe any cache entries whose zones match
the zone specified in the NOTIFY operation, but only if that zone (or
one of its parents) is included in :ref:`setting-allow-notify-for`,
:ref:`setting-allow-notify-for-file`, or :ref:`setting-forward-zones-file` with a ``allow_notify`` set to ``true``.