From the AppGallery home page:
1. Click Collections on the menu bar.
2. If necessary, click on the organization name and select another one in the list.
3a. Click the Edit button at the bottom of the Collection tile found when you click the 3 vertical dots
3b. Or click on the Collection to open it and then click its Edit button
4. You can make changes to the following:
- Collection Name
5. When finished, click Save.