Round-off description for creating related entities when creating an entity

Don't describe any rules in 11.4.2.2, but merely refer to 11.4.2, like this: "A request to create an entity that includes related entities, represented using the appropriate inline representation, is referred to as a “deep insert”. Media entities, whose binary representation cannot be represented inline, cannot be created within a deep insert. The entity is created observing the rules described in section 11.4.2 as if it was posted against the original target URL extended with the navigation property for this related entity. On success, the service …” "