reform

transitive verb | \ ri-ˈfȯrm \ | re·form

1. : to put (a writing) into a corrected form that more accurately reflects the agreement of the parties allows a writing signed by mistake to be reformed —W. M. McGovern, Jr. et al. — compare ratify

2. : to induce or cause to abandon wrongful or harmful ways a reformed drug dealer

   : to become changed for the better