diff --git a/reference/dic_tags.rst b/reference/dic_tags.rst
index 6f06028e86b..1d3e709af28 100644
--- a/reference/dic_tags.rst
+++ b/reference/dic_tags.rst
@@ -994,6 +994,8 @@ and :class:`Symfony\\Component\\Serializer\\Normalizer\\DenormalizerInterface`.
 
 For more details, see :doc:`/serializer`.
 
+Default serializers priority can be found in: `\Symfony\Bundle\FrameworkBundle\DependencyInjection\FrameworkExtension::registerSerializerConfiguration`
+
 swiftmailer.default.plugin
 --------------------------