Update doctrine/multiple_entity_managers.rst

Co-authored-by: Oskar Stark <oskarstark@googlemail.com>

Author: noniagriconomie

doctrine/multiple_entity_managers.rst

@@ -262,7 +262,7 @@ entity manager so that you can inject it directly::
             bind:
                 $customerEntityManager: '@doctrine.orm.customer_entity_manager'
 
-Now type-hint your method with `EntityManagerInterface $customerEntityManager`
+Now type-hint your method with ``EntityManagerInterface $customerEntityManager``
 to inject this second entity manager as dependency.
 
 You can now use Doctrine like you did before - using the ``default`` entity