Update service_container/tags.rst

Co-Authored-By: XuruDragon <[email protected]>

Author: OskarStark

service_container/tags.rst

@@ -637,7 +637,7 @@ but we can now access a specific injected service:
 
 After compilation the ``HandlerCollection`` is able to iterate over your
 application handlers. To retrieve a specific service by it's ``key`` attribute
-``key`` attribute. As it's an iterator, we can use ``iterator_to_array``
+from the iterator, we can use ``iterator_to_array`` and retrieve the ``handler_two``:
 to get an array and then retrieve the ``handler_two`` handler :
 
 .. code-block:: php