Did they nerf Brand?

Brand continues to dominate bot lane for most players, so we're nerfing his early passive detonation damage while offsetting some of that hit for more skilled players and supports through mana tuning.

• > Base Stats · Base Mana Regeneration: 9 ⇒ 11
• > Passive - Blaze · Detonation Damage: 8 - 12% (Levels 1 - 17) (+2% per 100 AP) ⇒ 6 - 12% (Levels 1 - 18, scaling above 18) (+2% per 100 AP)
• > E - Conflagration · Mana Cost: 70 / 75 / 80 / 85 / 90 ⇒ 90