Update service_container/tags.rst

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

Author: OskarStark

service_container/tags.rst

@@ -659,7 +659,7 @@ to get an array and then retrieve the ``handler_two`` handler :
 .. tip::
 
     You can omit the ``index_attribute_name`` attribute, by implementing a static
-    method named like this : ``getDefaultIndexAttributeNameName``
+    method ``getDefaultIndexAttributeName`` to the handler.
 
     Based on the previous example ``App\Handler\One`` should look like :