the user confirms manually that the parent zone contains DS record for the new
KSK in submission phase and the old KSK can be retired. The optional **+ttl**
parameter specifies the parent DS's TTL and possibly other delays, with the
- effect that the removal of old KSK is postponed by this amount of seconds. (#)
+ effect that the removal of old KSK is postponed by this number of seconds. (#)
**zone-freeze** [*zone*...]
Trigger a zone freeze. All running events will be finished and all new and pending
delay of update in the parent zone.
.. NOTE::
- This delay has only effect on automatic KSK submission with parent queries.
+ This delay only affects automatic KSK submission with parent queries.
For KSK submission resulting in :ref:`submission_timeout` or manually confirmed
by *knotc* **zone-ksk-submitted**, the parent-delay doesn't apply.