Update service_container/service_subscribers_locators.rst

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

Author: OskarStark

service_container/service_subscribers_locators.rst

@@ -380,7 +380,7 @@ you can use the ``index_by`` and ``default_index_method`` options of the argumen
 in combination with ``!tagged_locator`` to define an index.
 
 In the following example, all services tagged with ``app.handler`` are passed as
-first constructor argument to ``App\Handler\HandlerCollection`,
+first constructor argument to ``App\Handler\HandlerCollection``,
 but we can now access a specific injected service:
 
 .. configuration-block::