You can update channel information for your notifications.

1. Click the gear icon () in the banner frame to open the System Settings window, and click the Notifications tab.
2. In the Notification Channels section, click the channel row or the right arrow (>) next to the channel name.
3. In the Edit Channel form, update the fields (see Create notification channels for descriptions of the form fields).
4. Click Save.

Result

The system updates and saves the channel information that you modified.