Simplify the following text for a Grade 12 native English-speaking person.
Original: Kohs and his sister started the MyWikiBiz venture in Pennsylvania in July 2006 , initially as a paid editing service , writing content for inclusion in Wikipedia and other community-edited sites .
Simplified: Gregory Kohs and his sister started the MyWikiBiz venture in Pennsylvania in July 2006 , first as a paid editing service , writing content for Wikipedia and other sites .