You'll resist even the most minor alteration in routine.

Both are the kind of minor alteration you might make when re-reading a first draft.

There was some minor alteration of the suspension and a new commander's cupola as well.

It's quite possible your project can proceed with only minor alterations.

Minor alterations, such as putting in skylights, are exempt from the permis de construire but need a simplified permit, a déclaration de travaux.