Blizzard added some more PvP changes to the class tuning coming with this week’s maintenance. You can see the rest of the tuning changes here.
DH (Source)
Added the below changes to this week’s class tuning update:
Player versus Player
Demon Hunter
The Hunt deals 20% less damage in PvP.
Misery in Defeat now increased damage dealt to the target by 10% in PvP (was 20%).