amend.

Noun

amendment (countable and uncountable, plural amendments)

1. An alteration or change for the better; correction of a fault or of faults; reformation of life by quitting vices.

   Synonyms:

   improvement, reformation

2. In public bodies, any alteration made or proposed to be made in a bill or motion that adds, changes, substitutes, or omits.
   • Arrests and prosecutions intensified after Isis captured Mosul in June, but the groundwork had been laid by an earlier amendment to Jordan’s anti-terrorism law.2014 November 27, Ian Black, “Courts kept busy as Jordan works to crush support for Isis”, in The Guardian
3. Correction of an error in a writ or process.
4. (US, especially) An addition to and/or alteration to the Constitution.
   • The First Amendment guarantees freedom of religion, speech, press, assembly, and petition.
5. That which is added; that which is used to increase or supplement something.
   • a soil amendment