Make a modification (5)

I believe the answer is:
alter
(Other definitions for alter that I've seen before include "Amend" , "shift" , "Metamorphose" , "Change, modify" , "Adapt" .)
I believe the answer is:
alter
(Other definitions for alter that I've seen before include "Amend" , "shift" , "Metamorphose" , "Change, modify" , "Adapt" .)