How to cancel deletion of my account

What happens if I change my mind after I have requested that my account be deleted? 

While your request is being processed, you can contact Apple Support with the unique alphanumeric access code you received, and we’ll help you cancel your request. After your account is deleted, Apple can't cancel the request, reopen your account, or restore your data.

How to delete your Apple ID account

What is the exact wording of the message that makes you think your account will be deleted? Where are you seeing this?

Contact Apple for help with Apple ID account security - https://support.apple.com/HT204169 "This article provides country-specific Apple Support contact information for customers seeking help with their Apple ID password or other security-related issues."