Please see below. I made a hard copy for the very reason the OP is having the issue.
12/25/2020 Exclusive Captains Club Newsletter December 2020
Jumpstart January With Double Points for 2021-2023 Sailings
We're thrilled to announce that we are extending our Double Points offer. Now through January 31, 2021, Classic members and above will earn double Club Points on sailings departing March 6, 2021 through May 23, 2023 when you book a veranda stateroom or higher.** That's right, you'll enjoy double points on 2021 sailings and our new 20222023 sailings, too. Simply book a veranda stateroom or higher with your Captain's Club member identification number. Hurry, this limited time offer is too good to pass up.
https://www.celebritycruises.com/captains-club/newsletter/exclusive-captains-club-newsletter-december-2020 7/15