Simplify the following text for a Grade 7 native English-speaking person.
Original: Some WikiFairies create new articles or affect the substantive content of the articles they edit ; others enjoy beautifying articles by clearing up confusing footnotes or references , standardizing format , or by organizing images for balance . Their goals are harmony and visual pleasure for articles .
Simplified: Some WikiFairies make new articles or change the content of the articles they edit .