1. A method of correcting quotations copied from an electronic document, the method comprising: receiving a selected portion of text that is electronically copied from a first electronic document; generating a first annotation from the selected portion of text using an annotation service, wherein the generating comprises: analyzing an unselected portion of text that precedes the selected portion of text within the first electronic document; and identifying a part of the unselected portion of text to replace a part of the selected portion of text; and presenting the first annotation to a first user for approval.