If you change your credit card it will cancel or if your credit card expires.
Its right there....
"Your access to the paid subscription "Admin" is about to expire."
(Your monthly payment is up.)
"If you have selected a recurring subscription you will be automatically billed for the renewal" (Meaning its gonna take out the $11.00)
PayPal is now set up to automatically send this message... Ignore it if you have money ($11) on whatever card is set up.