1.a written change or improvement to a law or official document, or the process of doing this [lo]
An amendment is a section that is added to a law or rule in order to change it. [co]
1) He made amendments to the text.
2) The 19th Amendment granted women the right to vote.
3) The amendment provides that you can no longer ship after the tenth of each month.
4) The amendment of two laws governing the labor market has brought mixed results for women in workplaces.
[lo] LONGMAN Advanced AMERICAN DICTIONARY
[co] Collins COBUILD English Dictionary