Good question. The change is not an error. When the skill is coupled with the character, it looks like an aura. We think that the skill makes more sense when it is stationary. The name is "Consecrated Ground", not "Consecrated Priest".
Source: https://jesawyer.tumblr.com/post/174453004921/eine-frage-zur-priester-fertigkeit-geweihter#_=_
Looks like this can be closed and marked as 'answered' then.