The verb amend has 3 senses (first 2 from tagged texts)
1. (9) amend -- (make amendments to; "amend the document")
2. (2) better, improve, amend, ameliorate, meliorate -- (to make better; "The editor improved the manuscript with his changes")
3. rectify, remediate, remedy, repair, amend -- (set straight or right; "remedy these deficiencies"; "rectify the inequities in salaries"; "repair an oversight")