To edit a photometric calculation schedule note, go to
Ribbon: DM Electrical->Point-by-Point Photometrics-> 
Edit Photometric Calculation Schedule Note
Pulldown Menu: DM Electrical->Point-by-Point Photometrics->Edit Photometric Calculation Schedule Note
You will be prompted to specify the boundary or schedule for which the schedule note is to be edited.
Select boundary or schedule to add note to:
The Edit Photometric Schedule Note dialog box will appear.
Schedule Note: This note is displayed below the photometric schedule on the drawing.
Press the OK button to close the dialog box. The note at the bottom of the calculation schedule will be updated.