You can change the name or description of an asset by going to your Newsroom admin > Pages > Media kits, open the folder that contains the asset, click on the asset, and you'll open the asset details page to edit the name and description.

You can change the name or description of an asset by going to your Newsroom admin > Pages > Media kits, open the folder that contains the asset, click on the asset, and you'll open the asset details page to edit the name and description.