They probably sent out the same email to cover 2 situations. They just posted 2 FAQs. This one may be your situation.
You can call back your return to review it for the Recovery rebate credit if you didn't claim it
https://ttlc.intuit.com/community/tax-topics/help/i-didn-t-claim-the-rrc-how-do-i-review-and-update-...
