Users can add a description to files and folders in Resources. Site participants can view these descriptions by clicking on the information icon located to the right of the item.
Select the Resources tool from the Tool Menu of your site.
To add contextual information, to the right of the file or folder, from the Actions drop-down menu, select Edit Details.
This displays the item's Edit Details page.
Enter (or paste) a description of the file or folder in the Description box, then click Update.