NET
22 Then Joab bowed down with his face toward the ground and thanked the king. Joab said, “Today your servant knows that I have found favor in your sight, my lord the king, because the king has granted the request of your servant!”
Darby
22 And Joab fell to the ground on his face and bowed himself, and blessed the king; and Joab said, To-day thy servant knows that I have found favour in thy sight, my lord, O king, in that the king has fulfilled the request of his servant.
KJV
22 And Joab fell to the ground on his face, and bowed himself, and thanked the king: and Joab said, To day thy servant knoweth that I have found grace in thy sight, my lord, O king, in that the king hath fulfilled the request of his servant.