From Safes list in Management tab, you can press on any safe to go to this safe all details
From safe detail page you will see Configure button, by clicking on this button you will see 5 options:
1- Update Safe Name (to change safe name)
2- Update Safe Authorization (to change safe maker and checker)
3- Change Safe Limits (to change safe daily and monthly limits)
4- Update Safe Max Balance (to change safe maximum balance)
5- Freeze/Unfreeze Safe (to freeze safe or unfreeze it)
By choosing any of those options that you want to change and after confirming the new update in your details, the change will be applied in this safe automatically