Did they nerf Kennen?

Stacking the odds a bit more in his favor with his signature spell (in Riftbound) and offsetting Rocketbelt changes that he'll be a bit less excited about.

• > E - Lightning Rush · Bonus Attack Speed: 40 / 50 / 60 / 70 / 80% ⇒ 50 / 60 / 70 / 80 / 90%