Update inheritance.rst

The old sentence was confusing. This one works better.

Author: Francisco Corrales Morales

bundles/inheritance.rst

@@ -93,8 +93,8 @@ The same goes for routing files and some other resources.
 
     The overriding of resources only works when you refer to resources with
     the ``@FOSUserBundle/Resources/config/routing/security.xml`` method.
-    If you refer to resources without using the ``@BundleName`` shortcut, they
-    can't be overridden in this way.
+    You need to use the ``@BundleName`` shortcut when refering to resources
+    so they can be successfully overridden.
 
 .. caution::