By going to "Manage Subscription" in your "My Account" page accessible by signing in and/or clicking on your name in the upper right corner of the website you can alter the following aspects of your subscription:
Add/Remove Dinners and Quantity
View your order schedule
Change the frequency/date of your subscriptions
Pause your subscription
Skip one or more orders
Update
Your shipping address
Billing information
credit card information (we cannot view this information)