You need to have Admin role to edit Area settings.
If you are not happy with your area setting that you have selected while generating new area then you can update that latter aswell. In order to update Area Setting, click on (settings sign), located at the top of the page, next to area name.
This will take you to Edit Area Setting Page. Fill this form. You can find details of this forms in our knowledge based article- Creating a Area. Once you are done, hit Save and your Area Setting is updated.