Simplify the following text for a Grade 12 native English-speaking person.
Original: A Wikipedia conflict of interest ( COI ) is an incompatibility between the aim of Wikipedia , which is to produce a neutral , reliably sourced encyclopedia , and the aims of an individual editor .
Simplified: A Wikipedia conflict of interest ( COI ) is when an editor wants to do something which does not help Wikipedia 's goal , which is to produce a neutral , reliably sourced encyclopedia .