You are making an improvement, but considering your goal is to be abstinent, you should be concerned. This suggests you need more help and need to make more changes, not changing your idea of what constitutes success is in terms of your drinking.
Like what doggonecarl was saying, if you keep on moving your goal as to what constitutes success in terms of your drinking, what is going to keep you from redefining this goal every time your drinking keeps ticking up?