Jhorwic was slain by a !!missing!!

I was slain in the crypt, when trying to find Leoric's crown.
I can't remember which monster.

In the message box it wrote:

Jhorwic was slain by a !!missing!! - Monsters:MonsterAffix_ArcaneEnhanced_PetOnDeath!


Does this belong in Beta Bug Report or Beta Feedback?