diff --git a/src/main/java/io/craftgate/adapter/PaymentAdapter.java b/src/main/java/io/craftgate/adapter/PaymentAdapter.java
index ceac85a..2c03452 100644
--- a/src/main/java/io/craftgate/adapter/PaymentAdapter.java
+++ b/src/main/java/io/craftgate/adapter/PaymentAdapter.java
@@ -142,10 +142,10 @@ public PaymentTransactionRefundResponse retrievePaymentTransactionRefund(Long id
         return HttpClient.get(requestOptions.getBaseUrl() + path, createHeaders(path, requestOptions), PaymentTransactionRefundResponse.class);
     }
 
-    public PaymentTransactionRefundResponse refundPaymentTransactionManual(RefundPaymentTransactionManualRequest refundPaymentTransactionManualRequest) {
+    public PaymentTransactionRefundResponse refundPaymentTransactionManual(RefundPaymentTransactionMarkAsRefundedRequest refundPaymentTransactionMarkAsRefundedRequest) {
         String path = "/payment/v1/refund-transactions/manual";
-        return HttpClient.post(requestOptions.getBaseUrl() + path, createHeaders(refundPaymentTransactionManualRequest, path, requestOptions),
-                refundPaymentTransactionManualRequest, PaymentTransactionRefundResponse.class);
+        return HttpClient.post(requestOptions.getBaseUrl() + path, createHeaders(refundPaymentTransactionMarkAsRefundedRequest, path, requestOptions),
+                refundPaymentTransactionMarkAsRefundedRequest, PaymentTransactionRefundResponse.class);
     }
 
     public PaymentRefundResponse refundPayment(RefundPaymentRequest refundPaymentRequest) {
diff --git a/src/main/java/io/craftgate/request/RefundPaymentTransactionManualRequest.java b/src/main/java/io/craftgate/request/RefundPaymentTransactionMarkAsRefundedRequest.java
similarity index 87%
rename from src/main/java/io/craftgate/request/RefundPaymentTransactionManualRequest.java
rename to src/main/java/io/craftgate/request/RefundPaymentTransactionMarkAsRefundedRequest.java
index b77b880..4ee8d30 100644
--- a/src/main/java/io/craftgate/request/RefundPaymentTransactionManualRequest.java
+++ b/src/main/java/io/craftgate/request/RefundPaymentTransactionMarkAsRefundedRequest.java
@@ -6,7 +6,7 @@
 
 @Data
 @Builder
-public class RefundPaymentTransactionManualRequest {
+public class RefundPaymentTransactionMarkAsRefundedRequest {
 
     private Long paymentTransactionRefundId;
     private String conversationId;
diff --git a/src/test/java/io/craftgate/sample/PaymentSample.java b/src/test/java/io/craftgate/sample/PaymentSample.java
index 19766bf..9b54447 100644
--- a/src/test/java/io/craftgate/sample/PaymentSample.java
+++ b/src/test/java/io/craftgate/sample/PaymentSample.java
@@ -1580,10 +1580,10 @@ void retrieve_payment_transaction_refund() {
     }
 
     @Test
-    void refund_payment_transaction_manual() {
-        RefundPaymentTransactionManualRequest request = RefundPaymentTransactionManualRequest.builder()
+    void refund_payment_transaction_mark_as_refunded() {
+        RefundPaymentTransactionMarkAsRefundedRequest request = RefundPaymentTransactionMarkAsRefundedRequest.builder()
                 .paymentTransactionRefundId(1L)
-                .description("refunded manually")
+                .description("marked as refunded")
                 .build();
 
         PaymentTransactionRefundResponse response = craftgate.payment().refundPaymentTransactionManual(request);