What does 1 Kings 13:4 mean?

When Jeroboam heard what the man of God said against the altar at Bethel, he pointed at him and shouted, 'Grab him!' But as he did, his hand shriveled up and he couldn’t pull it back. 1 Kings 13:4 - Modern Text Bible

(Jeroboam tries to arrest the prophet, but God immediately punishes him by making his hand useless.)