When you notice that the order of the services in the agenda is not correct (Eg. first the brushing and then the coloring). You can easily adjust this in the following way:
1. Settings
2. Menus
3. Select the menu where the order is to be adjusted
4. Click on "Activate manual sorting" at the top
5. Click and drag the treatments in the menu in the correct order
5. Click "Active Editing" at the top