Fix tagref type description

type-system.rst

@@ -614,8 +614,9 @@ Tagged Reference
 
 ``tagref64``
 
-``tagref64`` is a union type of ``double``, ``int<52>`` and ``struct<ref<void>
-int<6>``. It occupies 64 bits. A ``tagref64`` value holds both a state which
+``tagref64`` is a union type of ``double``, ``int<52>`` and
+``struct<ref<void> int<6>>``.
+It occupies 64 bits. A ``tagref64`` value holds both a state which
 identifies the type it is currently representing and a value of that type.
 
 

[Eliot Moss]

I would have said tag rather than state, since this is a value, not a stateful thing. Cheers - E