added the path to cache in the doc examples

git-svn-id: http://svn.twig-project.org/trunk@15 93ef8e89-cb99-4229-a87c-7fa0fa45744b

doc/01-Introduction.markdown

@@ -79,7 +79,7 @@ rendering with the `display()` method.
 Twig also comes with a filesystem loader:
 
     [php]
-    $loader = new Twig_Loader_Filesystem('/path/to/templates');
+    $loader = new Twig_Loader_Filesystem('/path/to/templates', '/path/to/cache');
     $twig = new Twig_Environment($loader);
 
     $template = $twig->loadTemplate('index.html');

doc/03-Twig-for-Developers.markdown

@@ -25,7 +25,7 @@ looks roughly like this:
     require_once '/path/to/lib/Twig/Autoloader.php';
     Twig_Autoloader::register();
 
-    $loader = new Twig_Loader_Filesystem('/path/to/templates');
+    $loader = new Twig_Loader_Filesystem('/path/to/templates', '/path/to/cache');
     $twig = new Twig_Environment($loader);
 
 This will create a template environment with the default settings and a loader