Hi Karen,

Thank you for your continued support of Khan Academy and its mission! 

Instructions for how to cancel a recurring donation can be found at this link: https://support.khanacademy.org/hc/en-us/articles/202483820-How-can-I-manage-or-cancel-my-recurring-donation-. If you have any trouble, please feel free to reach out to donate@khanacademy.org. 

Thank you!