Update overview.mdx

Author: tilo-14

light-token/payments/overview.mdx

@@ -29,7 +29,7 @@ Payment flows on Solana include five core concepts:
 4. fees for transactions and account creation
 5. transactions to execute the transfer
 
-Our token API's optimize the account creation cost component.
+Our token API's optimize the account creation cost component. Your users use the same stablecoins, just stored more efficiently.
 
 |      | Light | SPL / Token 2022 |
 | :--- | :--- | :--- |