diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/ReflectiveOperationInvoker.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/ReflectiveOperationInvoker.java
index 58887b6b19..c3f28ce1ef 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/ReflectiveOperationInvoker.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/ReflectiveOperationInvoker.java
@@ -46,8 +46,10 @@ public class ReflectiveOperationInvoker implements OperationInvoker {
 	/**
 	 * Creates a new {code ReflectiveOperationInvoker} that will invoke the given
 	 * {@code method} on the given {@code target}. The given {@code parameterMapper} will
-	 * be used to map parameters to the required types.
+	 * be used to map parameters to the required types and the given
+	 * {@code parameterNameMapper} will be used map parameters by name.
 	 * @param parameterMapper the parameter mapper
+	 * @param parameterNameMapper the parameter name mapper
 	 * @param target the target of the reflective call
 	 * @param method the method to call
 	 */
diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/jmx/annotation/JmxAnnotationEndpointDiscoverer.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/jmx/annotation/JmxAnnotationEndpointDiscoverer.java
index 7ed2bd8382..475930f8a3 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/jmx/annotation/JmxAnnotationEndpointDiscoverer.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/jmx/annotation/JmxAnnotationEndpointDiscoverer.java
@@ -30,10 +30,10 @@ import java.util.stream.Collectors;
 
 import org.springframework.boot.actuate.endpoint.EndpointExposure;
 import org.springframework.boot.actuate.endpoint.EndpointInfo;
-import org.springframework.boot.actuate.endpoint.ParameterNameMapper;
 import org.springframework.boot.actuate.endpoint.OperationInvoker;
 import org.springframework.boot.actuate.endpoint.OperationParameterMapper;
 import org.springframework.boot.actuate.endpoint.OperationType;
+import org.springframework.boot.actuate.endpoint.ParameterNameMapper;
 import org.springframework.boot.actuate.endpoint.ReflectiveOperationInvoker;
 import org.springframework.boot.actuate.endpoint.annotation.AnnotationEndpointDiscoverer;
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/annotation/WebAnnotationEndpointDiscoverer.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/annotation/WebAnnotationEndpointDiscoverer.java
index 3220c893ab..b90dcd5de2 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/annotation/WebAnnotationEndpointDiscoverer.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/annotation/WebAnnotationEndpointDiscoverer.java
@@ -32,10 +32,10 @@ import org.reactivestreams.Publisher;
 
 import org.springframework.boot.actuate.endpoint.EndpointExposure;
 import org.springframework.boot.actuate.endpoint.EndpointInfo;
-import org.springframework.boot.actuate.endpoint.ParameterNameMapper;
 import org.springframework.boot.actuate.endpoint.OperationInvoker;
 import org.springframework.boot.actuate.endpoint.OperationParameterMapper;
 import org.springframework.boot.actuate.endpoint.OperationType;
+import org.springframework.boot.actuate.endpoint.ParameterNameMapper;
 import org.springframework.boot.actuate.endpoint.ReflectiveOperationInvoker;
 import org.springframework.boot.actuate.endpoint.annotation.AnnotationEndpointDiscoverer;
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;