Learn Editor: Update pay-bill.md

Author: lindseyshep

articles/cost-management-billing/understand/pay-bill.md

@@ -110,7 +110,9 @@ Although you can generally use debit cards to pay your Azure bill, consider thes
 
 - Hong Kong Special Administrative Region and Brazil don't allow the use of debit cards. They support only credit cards.
 - India supports debit and credit cards through Visa and Mastercard.
-- You can't use virtual and prepaid debit cards to pay your Azure bill.
+- You can't use virtual cards to pay your Azure bill.
+
+- Prepaid cards (aka stored value cards, Visa gift cards, MasterCard gift cards, etc.) are not accepted as valid payment instruments.
 
 ## Wire transfer