Clarify the transform direction for the reset event

Manishearth · toji · commit ebe5d94d4257 · 2019-09-12T15:04:35.000-07:00
diff --git a/index.bs b/index.bs
@@ -1967,7 +1967,7 @@ dictionary XRReferenceSpaceEventInit : EventInit {
 
 The <dfn attribute for="XRReferenceSpaceEvent">referenceSpace</dfn> attribute indicates the {{XRReferenceSpace}} that generated this event.
 
-The <dfn attribute for="XRReferenceSpaceEvent">transform</dfn> attribute describes the transform the {{XRReferenceSpaceEvent/referenceSpace}} underwent during this event, if applicable.
+The <dfn attribute for="XRReferenceSpaceEvent">transform</dfn> attribute describes the post-event position and orientation of the {{XRReferenceSpaceEvent/referenceSpace}}'s [=native origin=] in the pre-event coordinate system.
 
 Event Types {#event-types}
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