diff --git a/src/Ouzo/Core/View/OuzoTwigExtension.php b/src/Ouzo/Core/View/OuzoTwigExtension.php
index <HASH>..<HASH> 100644
--- a/src/Ouzo/Core/View/OuzoTwigExtension.php
+++ b/src/Ouzo/Core/View/OuzoTwigExtension.php
@@ -1,4 +1,8 @@
 <?php
+/*
+ * Copyright (c) Ouzo contributors, http://ouzoframework.org
+ * This file is made available under the MIT License (view the LICENSE file for more information).
+ */
 namespace Ouzo\View;
 
 use Twig_Extension;
diff --git a/src/Ouzo/Core/View/TwigInitializer.php b/src/Ouzo/Core/View/TwigInitializer.php
index <HASH>..<HASH> 100644
--- a/src/Ouzo/Core/View/TwigInitializer.php
+++ b/src/Ouzo/Core/View/TwigInitializer.php
@@ -1,4 +1,8 @@
 <?php
+/*
+ * Copyright (c) Ouzo contributors, http://ouzoframework.org
+ * This file is made available under the MIT License (view the LICENSE file for more information).
+ */
 namespace Ouzo\View;
 
 use Twig_Environment;
Added twig initializer.