fix(bil): improve xp

Author: ldecarvalho-doc

pages/billing/how-to/use-billing-alerts.mdx

@@ -53,7 +53,7 @@ Your budget, denominated in euros, represents the limit for your expenses. Simul
     - The alerts take into discounts into consideration. This means that you will receive an alert if you have consumed a percentage of your budget regardless if discounts are applied or not. For example:
         - If you have a discount of €100 applied to your account,
         - and set an alert to be triggered when you reach 100% of an €150 budget,
-        - once you have surpassed your discount in €50, you will receive the alert.
+        - once you have spent €50 more than your €100 discount, and reached a total of €150 in consumption (100%), you will receive the alert.
   </Message>
 
 ### Webhook API Call