Change the creator on Wineskin

How every Wineskin user know, this sentence is on the description of all Wineskin programs:
This program uses Wineskin. Wineskin is a LGPL licensed project. See http://wineskin.doh123.com/ for more details.

This is like a water mark. In this video, I will teach you how to change this sentence (in brazilian portuguese, but it's possible to understand):