The Edit Default Schedule Notes command is used to set the Schedule Notes field in the Insert Pipe Symbol Project Schedule dialog box for each pipe symbol group.
To edit the default notes that appear at the bottom of pipe symbol project schedules, go to
Ribbon: DMP: Customization->Standards Customization-> 
Default Schedule Notes
Pulldown Menu: DM Plumbing->Customization->Schedule Labels->Standards Lists->Edit Default Schedule Notes
Default Schedule Notes Dialog Box
Schedules: The available pipe symbol group schedules that can be edited.
Edit Schedule Notes: Press this button to edit the schedule note for the selected pipe symbol group.