What does 2 Samuel 18:5 mean?

The king gave a clear order to Joab, Abishai, and Ittai: 'Be gentle with the young man Absalom, for my sake.' All the soldiers heard the king's command about Absalom. 2 Samuel 18:5 - Modern Text Bible

(David's love for his son Absalom is obvious, even though Absalom is leading a rebellion. He asks his commanders to spare Absalom, showing his deep fatherly concern.)