[css-color] again with descriptors

Author: svgeesus

css-color/Overview.bs

@@ -1787,7 +1787,7 @@ descriptor takes a url() as it's value.
 in practice, but that could change in the future. or we could add format later, once there is
 a need, and make the default ICC if not specified -->
 
-A third, optional descriptor defines the <dfn data-dfn-type="descriptor">rendering intent</dfn> to use when mapping colors 
+A third, optional descriptor defines the <dfn data-dfn-type="descriptor" or="@color-profile>rendering intent</dfn> to use when mapping colors 
 from a larger to a smaller gamut.
 
 This descriptor is only needed if the profile linked to has data for multiple rendering intents.