When playing the Chaos campaign on the panel that opens when selecting a system not owned by the player, the additional symbols beneath the Curses of the Dark Gods buttons are swapped for the Slaanesh and Tzeentch curses.
See following screenshot:
Also there is no explanation as to what the numbers below those same buttons mean. They do not seem to be connected to the number of attained Gifts of Chaos.
See following screenshot from same instant during the campaign as the one above:
Some more tooltips would certainly come in handy.
Loving the Chaos campaign so far, keep up the good work!