diff --git a/src/Beberlei/Bundle/MetricsBundle/DependencyInjection/BeberleiMetricsExtension.php b/src/Beberlei/Bundle/MetricsBundle/DependencyInjection/BeberleiMetricsExtension.php
index f76586c..3da3fe1 100644
--- a/src/Beberlei/Bundle/MetricsBundle/DependencyInjection/BeberleiMetricsExtension.php
+++ b/src/Beberlei/Bundle/MetricsBundle/DependencyInjection/BeberleiMetricsExtension.php
@@ -13,6 +13,9 @@
 
 class BeberleiMetricsExtension extends Extension
 {
+    /**
+     * @return void
+     */
     public function load(array $configs, ContainerBuilder $container)
     {
         $configuration = $this->getConfiguration($configs, $container);