When you have set up the reminders (see Setting up reminders on notifications), you are also able to see a summary of all your reminder settings as well as edit. You can do so by following the below instructions: 

1. Click on the bell icon

2. Go to 'Manage Reminders' on the bottom

3. This will open up a summary of all reminders you have set up. 

In this section you will be able to: 

- Delete the reminder 

- Edit the reminder (make the changes and click on save) 

3. If you want to dismiss or mark a notification as read, click in the notification as 'Mark as read' or the Cancel button. In case you have several notifications, you are also able to select at the top 'Mark all as read' or 'Dismiss all'.