Corrupting potion increases all damage by 10% (including TRUE DMG)

A korean player 'Berto' found this bug.

As the title says, corrupting potion increases all damages now. Even the true dmg (Irelia's W, Gankplank's passive, Fiora's passive, ignite, etc.) is increased.

Irelia's W http://upload2.inven.co.kr/upload/2015/11/27/bbs/i10956202327.png (Skill lv.1) http://upload2.inven.co.kr/upload/2015/11/27/bbs/i10946436732.png (Skill lv.2)

Autoattack http://upload2.inven.co.kr/upload/2015/11/27/bbs/i10919428036.png (Irelia) http://upload2.inven.co.kr/upload/2015/11/27/bbs/i13840581749.png (Corki) http://upload2.inven.co.kr/upload/2015/11/27/bbs/i10402163572.png (Gankplank)

Irelia's E http://upload2.inven.co.kr/upload/2015/11/27/bbs/i10989944936.png

Gankplank's E http://upload2.inven.co.kr/upload/2015/11/27/bbs/i10493730659.png

Fiora's passive http://upload2.inven.co.kr/upload/2015/11/27/bbs/i11116222731.png

Twitch's passive http://upload2.inven.co.kr/upload/2015/11/27/bbs/i11139154288.png

Ignite http://upload2.inven.co.kr/upload/2015/11/27/bbs/i11185706149.png