This study examines the type of edit that amateur editors called Advisors used in their comments on Epinions.com product reviews and the extent to which their editing-related comments might have motivated reviewers to revise and update their reviews. Advisors made substantive-type suggestions most frequently, but for the most part, reviews that received editing-related comments were not updated more often than were those with nonediting-related comments. Unlike professional editors, Advisors lack gatekeeping control that compels writers to revise their work, but as companies recognize the value of quality user-generated content, they may use amateur editors more often, perhaps in conjunction with professional technical editors.