Click on Trackers, then click on the name of the tracker you want to edit.
Go to the standard where you want to add sub-standards. Hover over the standard title, and click on Sub-Standard.
Select and Add Sub-Standard
If the standard you selected has suggested sub-standards, check the boxes next to each sub-standard you want to add. If you do not see any suggested sub-standards, there are not any currently available for that standard. Check the box if you want to apply this to all of your trackers, and click on Add Standard.
Create New Sub-Standard
If the standard does not have suggested sub-standards, or if you want to create your own, click on Create New Sub-Standard. Enter the name, and short and long descriptions of the standard. Check the box if you want to apply this to all of your trackers, then click on Add Standard.