diff --git a/src/test/java/org/apache/maven/plugins/help/DescribeMojoTest.java b/src/test/java/org/apache/maven/plugins/help/DescribeMojoTest.java
index 4e042d9..135ad5b 100644
--- a/src/test/java/org/apache/maven/plugins/help/DescribeMojoTest.java
+++ b/src/test/java/org/apache/maven/plugins/help/DescribeMojoTest.java
@@ -371,11 +371,11 @@ private static void setFieldWithReflection(final Object mojo, final String field
     }
 
     private static void setFieldsOnMojo(
-            DescribeMojo mojo,
-            MojoDescriptorCreator mojoDescriptorCreator,
-            PluginVersionResolver pluginVersionResolver,
-            MavenPluginManager pluginManager,
-            MavenSession session)
+            final DescribeMojo mojo,
+            final MojoDescriptorCreator mojoDescriptorCreator,
+            final PluginVersionResolver pluginVersionResolver,
+            final MavenPluginManager pluginManager,
+            final MavenSession session)
             throws NoSuchFieldException, IllegalAccessException {
         setFieldWithReflection(mojo, "mojoDescriptorCreator", mojoDescriptorCreator);
         setFieldWithReflection(mojo, "pluginVersionResolver", pluginVersionResolver);