diff --git a/doc/api/resources/orders.rst b/doc/api/resources/orders.rst
index dc9efef726..5073c3a408 100644
--- a/doc/api/resources/orders.rst
+++ b/doc/api/resources/orders.rst
@@ -2508,6 +2508,7 @@ Order payment endpoints
 
       {
         "amount": "23.00",
+        "comment": "Overpayment",
         "mark_canceled": false
       }