Simplify the following text for a Grade 16 native English-speaking person.
Original: A Wiki fairy ( WikiFairy ) , or Wiki faerie ( WikiFaerie , WikifÃ rie ) , is a wiki editor who makes Wikipedia more beautiful by making the style of writing better , cleaning up messy articles , rearranging pictures , or simply adding color and beauty .
Simplified: A Wiki fairy ( WikiFairy ) , or Wiki faerie ( WikiFaerie , WikifÃ rie ) , is a wiki editor who beautifies Wikipedia by organizing messy articles , improving style , or adding color and graphics .