Master Difficulty

[Anon-kun ( ͡° ͜ʖ ͡°)]

So I have been playing the campaign this morning and after completing the first few missions on increasing difficulty, I figured I'd take a swing at Master Difficulty (Which was super fun).

All I am wondering is if there is supposed to be some kind of flag to show that you completed it, like when completing a mission or a challenge, they usually change to a different colour. Anyone else had this crop up or am I a bit too early?

[0x143]

Winning on master difficulty should display a ring around the mission pin.