Added FX note to price-changes-faq.yml file

Author: Shantanu Gudihal

articles/marketplace/price-changes-faq.yml

@@ -58,6 +58,9 @@ sections:
 
           To specify the price in a specific currency, export the prices from the pricing and availability page, update the respective market and currency, save, and import the file.
 
+          > [!Note]
+          > Offers will be billed to customers in the customers’ agreement currency, using the local market price that was published at the time the offer was created. The amount that customers pay, and that ISVs are paid, depends on the Foreign Exchange rates at the time the customer transacts the offer. Learn more on ["How we convert currency?"](/azure/marketplace/marketplace-geo-availability-currencies).
+
       - question: |
           Can I change a free or $0 offer to a paid offer?
         answer: |