From the Tabular Editor window, select the transition you wish to edit in the Transition
pane. Then open the Transition menu and select Change Transition or click on the Change Transition button
on the toolbar . This will reopen the DES Transition Editor
dialog box. Edit the transition properties you wish to change and click OK. This will update the transition properties
in the Transition pane. You can also edit a transition by double-clicking on the desired property of the transition
in the transition list.