Did they nerf Olaf?

Olaf used to be a staple in the jungle but has been out of favor for a while now, despite our earlier attempts this season to help him out. We are looking to give him a bit more power to entice him back into the wilderness.

• > Q - Undertow · Monster Bonus Physical Damage: 20 / 35 / 50 / 65 / 80 ⇒ 20 / 45 / 70 / 95 / 120