emending
ɪˈmɛnd
verb
make corrections and revisions to (a text).
these studies show him collating manuscripts and emending texts
correct,rectify,repair,fix,improve,enhance,polish,refine,clarify,edit,alter,rewrite,revise,copy-edit,subedit,amend,change,modify,redraft,recast,rephrase,reword,rework,rescript,expurgate,censor,redact,bowdlerize