amendment (n.) Look up amendment at Dictionary.com
early 13c., "betterment, improvement;" c. 1300, of persons, "correction, reformation," from Old French amendement "rectification, correction; advancement, improvement," from amender (see amend). Sense expanded to include "correction of error in a legal process" (c. 1600) and "alteration of a writ or bill" to remove its faults (1690s).