Select Tools > Model Options > Description to display the Model Description dialog, which enables the user to enter approximately 2 page (about 8000 characters with spaces) description of the piping system. This description can be selected to print after the AutoPIPE System Information page of the model input list reports and output reports.
TAB will switch between the text window to the control buttons on the dialog.
Ctrl + Enter in the text window will create a new line
Ctrl + Tab will insert a tab in the text window