diff --git a/reference/configuration/doctrine.rst b/reference/configuration/doctrine.rst
index 6588bb0eac6..88e83838ba1 100644
--- a/reference/configuration/doctrine.rst
+++ b/reference/configuration/doctrine.rst
@@ -577,7 +577,7 @@ in the ``@AppBundle/SomeResources/config/doctrine`` directory instead:
             ),
         ));
 
-Mapping Entities outside of a Bundle
+Mapping Entities Outside of a Bundle
 ------------------------------------
 
 You can also create new mappings, for example outside of the Symfony folder.