Each list element reacts differently depending on whether it is a service or credential.
Long press on a item will show an option to rename, delete or revalidate the authorization (if it is a credential) of that item.
Double press (like two-clicks) on the name will allow you to change it.
Press the logo in services list and the item will be expanded showing more options including the settings for that item.
Here you can each detail of an item: