In the Options section the new option sendEmptyMessageOnDelete should be documented as follows:
|| upon the delete of a znode, should an empty message be send to the consumer
In the Reading from znode section the following should be added:
When data is read due to a WatchedEvent received from the ZooKeeper ensemble, the CamelZookeeperEventType header holds ZooKeeper's EventType value from that WatchedEvent. If the data is read initially (not triggered by a WatchedEvent) the CamelZookeeperEventType header will not be set.