diff --git a/src/Simplex/Chat/PaymentService/Types.hs b/src/Simplex/Chat/PaymentService/Types.hs
index c34e064c1e..cc76a2e290 100644
--- a/src/Simplex/Chat/PaymentService/Types.hs
+++ b/src/Simplex/Chat/PaymentService/Types.hs
@@ -79,8 +79,7 @@ instance FromField PaymentProvider where fromField = fromTextField_ textDecode
 
 instance ToField PaymentProvider where toField = toField . textEncode
 
--- | A store and its own id for one transaction. The evidence is not the key: the store may sign it
--- again, and a retry of the same purchase has to find the same stash.
+-- | The stable name of one store transaction, by which a retry resolves to the same row.
 data StoreTransactionRef = StoreTransactionRef {provider :: PaymentProvider, transactionRef :: Text}
   deriving (Eq, Show)