To add or edit a Section, highlight its line first. Then, there are several ways to access the editing display:
Highlight the section you want to edit and select Edit > Edit
Right-click the section you want to edit and select Edit Item.
The Edit Section window displays. The Edit Section window consists of just two entry fields: Id and Description. The ID field can contain up to 10 characters; Description up to 30 characters.
To edit information, use the primary mouse button to highlight what you want to change, and type in the new value with the keyboard. When you are finished making changes, select OK. If you do not want the changes that were made to be saved, select CANCEL.