Merge pull request #1296 from joenivl/patch-1

Flip key value in $namespaces array

docs/en/reference/xml-mapping.rst

@@ -88,8 +88,8 @@ Configuration of this client works a little bit different:
 
     <?php
     $namespaces = array(
-        'MyProject\Entities' => '/path/to/files1',
-        'OtherProject\Entities' => '/path/to/files2'
+        '/path/to/files1' => 'MyProject\Entities',
+        '/path/to/files2' => 'OtherProject\Entities'
     );
     $driver = new \Doctrine\ORM\Mapping\Driver\SimplifiedXmlDriver($namespaces);
     $driver->setGlobalBasename('global'); // global.orm.xml