שמואל ב יא:כה פירוש: רש״י

Intensity your war [against] the city and destroy it. The words of the message⁴From Dovid to Yoav. [end] at this point.

You should encourage him [Yoav]. Dovid [then] said to the messenger, "Encourage Yoav with consoling words so that his heart should not weaken.