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; presenting the first annotation to a first user for approval; receiving an approval of the first annotation from the first user; and pasting, in response to a paste command and the approval, a modified version of the selected portion of text into a second electronic document that is different from the first electronic document, wherein the modified version of the selected portion of text is modified according to the first annotation.