Map challenges is bronze and higher?
I was just playing Mass Effect 3 Multiplayer, on the map Firebase Reactor Silver. Halfway I got a notification that I was on 75% completion on the challenge Firebase Reaction silver waves. However, a few waves later, I received the challenge of the same map, but on bronze. Is it expected behaviour that challenges like waves completed are not like stated on the N7HQ:
Firebase Reactor: Bronze Waves
Complete 100 Waves on Firebase Reactor: Bronze
but rather like:
Firebase Reactor: Bronze Waves
Complete 100 Waves on Firebase Reactor: Bronze or higher
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