fix optional field notation

1 files changed, 4 insertions, 3 deletions

diff --git a/libeufin/api-nexus2.rst b/libeufin/api-nexus2.rst
index 7d5b1f0e..ba4d4de7 100644
--- a/libeufin/api-nexus2.rst
+++ b/libeufin/api-nexus2.rst
@@ -96,7 +96,7 @@ Bank Account Management
        uuid: string;
 
        // Specify the bank transport to use for the submission.
-       transport: string?;
+       transport?: string;
      }
 
   :status 404 Not Found: the unique identifier **or**
@@ -148,14 +148,15 @@ Bank Account Management
 
   .. ts:def:: PreparedPaymentRequest
 
-     interface PreparedPayment {
+     interface PreparedPaymentRequest {
        // IBAN that will receive the payment.
        iban: string;
        // BIC hosting the IBAN.
        bic: string;
        // Legal subject that will receive the payment.
        name: string;
-
+       // payment subject. 
+       subject: string;
        // amount, in the format CURRENCY:XX.YY
        amount: string
      }