fix (serializer): invert xml and yaml bloc descriptions

GregoireHebert · javiereguiluz · commit 508a1866a222 · 2019-04-15T09:14:35.000+02:00
diff --git a/components/serializer.rst b/components/serializer.rst
@@ -258,14 +258,14 @@ for each format:
 
     $classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));
 
-* XML files::
+* YAML files::
 
     use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactory;
     use Symfony\Component\Serializer\Mapping\Loader\YamlFileLoader;
 
     $classMetadataFactory = new ClassMetadataFactory(new YamlFileLoader('/path/to/your/definition.yml'));
 
-* YAML files::
+* XML files::
 
     use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactory;
     use Symfony\Component\Serializer\Mapping\Loader\XmlFileLoader;
