Fine-tuning (5)
I believe the answer is:
tweak
(Other definitions for tweak that I've seen before include "Make a slight adjustment" , "Twitch" , "Modify slightly" , "Make minor adjustment" , "Change slightly" .)
I believe the answer is:
tweak
(Other definitions for tweak that I've seen before include "Make a slight adjustment" , "Twitch" , "Modify slightly" , "Make minor adjustment" , "Change slightly" .)