diff --git a/jaxrs/src/main/java/org/killbill/billing/jaxrs/resources/PaymentResource.java b/jaxrs/src/main/java/org/killbill/billing/jaxrs/resources/PaymentResource.java
index e286e85..57dd579 100644
--- a/jaxrs/src/main/java/org/killbill/billing/jaxrs/resources/PaymentResource.java
+++ b/jaxrs/src/main/java/org/killbill/billing/jaxrs/resources/PaymentResource.java
@@ -124,7 +124,7 @@ public class PaymentResource extends ComboPaymentResource {
@TimedResource(name = "getPayment")
@GET
@Produces(APPLICATION_JSON)
- @ApiOperation(value = "Retrieve a payment by id", response = PaymentJson.class)
+ @ApiOperation(value = "Retrieve a payment by external key", response = PaymentJson.class)
@ApiResponses(value = {@ApiResponse(code = 404, message = "Payment not found")})
public Response getPaymentByExternalKey(@QueryParam(QUERY_WITH_PLUGIN_INFO) @DefaultValue("false") final Boolean withPluginInfo,
@QueryParam(QUERY_EXTERNAL_KEY) final String paymentExternalKey,
