To improve by critical editing: emend a faulty text. (verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "emend" in a sentence
"When pressed by the reporter whether he cared about the opinion of the American people, instead of bristling at the suggestion, Dick Cheney tried to emend his response by saying "I think you can not be blown off course by the fluctuations in the public opinion polls.""
"He wrote to Allen Ginsberg on March 24, 1959, American College Dictionary sent me their big square definition of ‘beat generation’ and wanted to know if I would revise, emend or make a new one."
"(That could also help you emend - that is right, not amend - your snorky BHO comments)"