To expand upon what Wayne said, just go to SETTINGS/FILE TYPES and double click on ALL FILES at the top of the box. In the next box that pops up click on the INFO TIP tab and paste the following into the box:
Want to feel more liberated? Create a button with the commands below and you can create a new folder and enter its description all at once.
sync: dopusrt /cmd CreateFolder READAUTO=no NOUPDATESETTINGS NAME="{dlgstring|Enter the folder name you want to create|}"
sync: dopusrt /cmd SetAttr DESCRIPTION