There are several ways to rename any Unit ID, description or label.
The fastest way is to:
Position your mouse over what you want to change.
You can now type in your changes.
If you prefer, you can open the Measurement Units Properties dialog box and edit the description and display label for a base unit. Do one of the following:
Select Unit Properties from the Edit menu.
Press Ctrl+Pon the keyboard.
In the left pane, select the base unit, click the right mouse button and select Properties… from the pop-up menu.
Measurement systems and units configuration.