diff --git a/openapi/openapi.json b/openapi/openapi.json
index c9043b2..32b2306 100644
--- a/openapi/openapi.json
+++ b/openapi/openapi.json
@@ -85,7 +85,7 @@
         }
       ],
       "post": {
-        "operationId": "buildMdbPaymentOption",
+        "operationId": "buildMbdPaymentOption",
         "requestBody": {
           "content": {
             "application/json": {
diff --git a/src/main/java/it/gov/pagopa/mbd/gps/service/controller/MbdGpsController.java b/src/main/java/it/gov/pagopa/mbd/gps/service/controller/MbdGpsController.java
index 30c1fb1..38379f3 100644
--- a/src/main/java/it/gov/pagopa/mbd/gps/service/controller/MbdGpsController.java
+++ b/src/main/java/it/gov/pagopa/mbd/gps/service/controller/MbdGpsController.java
@@ -83,7 +83,7 @@ public MbdGpsController(ModelMapper modelMapper) {
   @Operation(
       summary = "Build MBD payment option model",
       security = {@SecurityRequirement(name = "ApiKey")})
-  public @Valid MbdPaymentOptionResponse buildMdbPaymentOption(
+  public @Valid MbdPaymentOptionResponse buildMbdPaymentOption(
       @RequestBody @NotNull @Valid MbdPaymentOptionRequest mbdPaymentOptionRequest) {
     return this.modelMapper.map(mbdPaymentOptionRequest, MbdPaymentOptionResponse.class);
   }