The only way to edit vacation is to end the current one and create a new one.
Already on Vacation?
Once you're next to Hero smart dispenser, press the center button on your Hero smart dispenser to end vacation and start a new one.
Not on Vacation Yet?
Open the Hero App on your smartphone.
Go to the "More" tab.
Select "Schedule Vacation Mode."
Access "Details" and click "Cancel My Vacation."
Confirm your choice when prompted. Now you can create a new vacation.