Sid Meier's Civilization V

Sid Meier's Civilization V

Portugal (Afonso I)
DiogoSN 11 Oct, 2016 @ 3:57am
Order of Aviz does not heal, instead damages
Every time a unit of Knight of Aviz or Barbarians Grunts stays in an enemy border, they lose HP by atrition: "Atrition -10" in red letters. Which I think is suppose to do the opposite, correct?