Modify common role properties from the role's Properties dialog box.
- Access  the Properties dialog box by right-clicking  the role you want to modify and selecting Properties.
 
- Select Common.
 
- Modify:
 
                    - Name – role name.
 
- Description – role description.
 
- Default role –  set and unset this role as the default.
 
                  
- Click OK to save your changes.