The Days Capacity Section identifies how many Jobs MAXIMUM you are able to do in a single day.
To adjust this number you will go to Manage > Admin > Settings > Estimates > Estimate Settings.
Once in the Estimate Settings - you will go to the "Days Capacity" Tab.
(Highlighted in RED below).
ORANGE: You can adjust the Maximum Number of Job per day here.
YELLOW: Don't forget to click Update!