It's easy to fix some unnecessary inconsistencies when looking at the image available in the dropbox:
1- The brush mode is in HSL Color. Change this to normal;
2- Dynamics is in Basic Dynamics. Switch to dynamics Off;
3- The two layers are identical, even if you correctly use the brush on the second layer's mask no change will be noticeable. It is necessary to color the second layer.
1- The brush mode is in HSL Color. Change this to normal;
2- Dynamics is in Basic Dynamics. Switch to dynamics Off;
3- The two layers are identical, even if you correctly use the brush on the second layer's mask no change will be noticeable. It is necessary to color the second layer.