Yes, and you can manage your membership settings and subscription at any time in your CharityHowTo library.
At the end of each billing cycle, your services will be automatically renewed. You will receive an email a month before letting you know that your membership will renew. You will receive another one, two weeks before renewal.
To manage or cancel your membership, log into your account at this link: http://www.charityhowto.com/library and click on "membership settings".