Cassiopeia CDR Adjustment

With the new Masteries, I was late to realization that Cassiopeia's passive CDR at 250 stacks is really awkward. Her passive grants 25% CDR when you reach 250 stacks. If you wanted to utilize the +5% CDR cap Mastery, there would then be no items that would put you at 45% CDR, only 50% because the Lucidity boots no longer grant the awkward 15%. I think just adjusting the number on Cassiopeia's Passive to 20% would be beneficial, because if you do take the +5% CDR cap, then at 250 stacks, you'll still have 25% CDR total. Additionally, this would make justifying certain item purchases in game more reliable, so the player doesn't feel like spending money on a Morello for Grievous Wounds, or Athene's for the MR, would end up wasting money since you lose some of that CDR over the cap. I hope this made sense~