You can add descriptions to folders, useful if you need to display a summary of the folder purpose to your internal team or clients.
To do this:
Navigate to the file section of your group, and click into a folder
Once in the folder select the '+' button
Use the yellow textbox to add text/relevant links etc.
Press 'save' and the description will appear under the folder title
Interested in more folder functionalities? Have a read of these articles: