[Gameplay] Miss Fortune's passive caps too early

Patch 6.1's notes -

Passive - Love Tap 0.6 - 1.0 total attack damage (at levels 1-18) ⇒ 0.5 - 1.0 total attack damage (at levels 1-18)

Miss Fortune's passive is capping 5 levels too early (13 instead of 18).