diff --git a/extra/twig-extra-bundle/DependencyInjection/Compiler/MissingExtensionSuggestorPass.php b/extra/twig-extra-bundle/DependencyInjection/Compiler/MissingExtensionSuggestorPass.php
index 3f3cca62a3..245e5bfd1d 100644
--- a/extra/twig-extra-bundle/DependencyInjection/Compiler/MissingExtensionSuggestorPass.php
+++ b/extra/twig-extra-bundle/DependencyInjection/Compiler/MissingExtensionSuggestorPass.php
@@ -18,6 +18,7 @@
 
 class MissingExtensionSuggestorPass implements CompilerPassInterface
 {
+    /** @return void */
     public function process(ContainerBuilder $container)
     {
         if ($container->getParameter('kernel.debug')) {
diff --git a/extra/twig-extra-bundle/DependencyInjection/TwigExtraExtension.php b/extra/twig-extra-bundle/DependencyInjection/TwigExtraExtension.php
index 0f57d71f36..a1d5decd56 100644
--- a/extra/twig-extra-bundle/DependencyInjection/TwigExtraExtension.php
+++ b/extra/twig-extra-bundle/DependencyInjection/TwigExtraExtension.php
@@ -23,6 +23,7 @@
  */
 class TwigExtraExtension extends Extension
 {
+    /** @return void */
     public function load(array $configs, ContainerBuilder $container)
     {
         $loader = new PhpFileLoader($container, new FileLocator(\dirname(__DIR__).'/Resources/config'));