<human>:  How do I edit a group description on Facebook?
<bot>: Edit a Group Description on Facebook on a PC or Mac
1. Open Facebook on your browser.
2. Click on the Search field.
3. Search for a group.
4. Click on the group name.
5. Scroll down and click Edit or Add a Description next to "DESCRIPTION." 
6. Enter a group description.
7. Click Save.