matching the implementation

1 files changed, 7 insertions, 5 deletions

diff --git a/libeufin/api-sandbox.rst b/libeufin/api-sandbox.rst
index 6505d942..fe6c77a2 100644
--- a/libeufin/api-sandbox.rst
+++ b/libeufin/api-sandbox.rst
@@ -156,11 +156,13 @@ Accounts
        // Addresses where to send the TAN.
        contact_data: CircuitContactData;
 
-       // 'payto' address pointing the bank account
-       // where to send payments, in case the user
-       // wants to convert the local currency back
-       // to fiat.
-       cashout_address: string;
+       // Optional field.  'Payto' address pointing the
+       // bank account where to send payments, in case the
+       // user wants to convert the local currency back
+       // to fiat.  If this field is missing, any cash-out
+       // address will be deleted and the user loses their
+       // cash-out capability.
+       cashout_address?: string;
 
        // Legal name associated with $username.  NOTE:
        // only the administrator can change this value.