updated version

Resources/doc/index.rst

@@ -29,7 +29,7 @@ Then register the bundle with your kernel::
         // ...
     );
 
-This bundle also requires the Metadata library (**you need the master branch, not the 1.0
+This bundle also requires the Metadata library (**you need the 1.1 version, not the 1.0
 version** which ships with the Symfony Standard Edition)::
 
     git submodule add https://github.com/schmittjoh/metadata.git vendor/metadata