Ooooh! No, that is naughty. If your matrix code is significantly different from existing information provided in the annotation, then you are dealing with a different release and you need to create a new entry. After all, that is why we are collecting this information: to distinguish the various releases of the same album.
Sometimes, it may be tricky deciding when a matrix code is significantly different but if you ever happen to run into such a case, you can read previous discussions here and there at this forum to help you decide.