term:

Amendment

amendment n

1 : an act of amending
;esp
: an alteration in wording [s to cure the defect in the pleading]
2 : an alteration proposed or put into effect by legislative or constitutional procedure [the Congress…shall propose s to this Constitution "U.S. Constitution art. V"]

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.