To edit your subscription:
Open the ?Subscription? page
Click on the subscription you want to edit.
You will be navigated to the subscription overview page.
Click on the ?edit? button.
You will be navigated to the subscription edit page
You can edit the following details for your subscription
After editing the details click on the ?update subscription? button and the subscription will be updated.
You can view the changes on the subscription overview page as well as on the subscription page.