What does 2 Kings 2:5 mean?

The group of prophets in Bethel came out to Elisha and said, 'Do you know that God is going to take your master away from you today?' Elisha answered, 'Yes, I know. Don't talk about it.' 2 Kings 2:5 - Modern Text Bible

(The prophets know Elijah's departure is coming, and Elisha is aware but doesn't want to discuss it.)