[css-view-transitions-2] Minor spec fixes around flushing the update callback queue

Author: Psychpsyo

css-view-transitions-2/Overview.bs

@@ -2437,7 +2437,7 @@ It has the following [=struct/items=]:
 
 		1. Let |document| be |transition|'s [=relevant global object's=] [=associated document=].
 
-		1. [=Flush the update callback queue=].
+		1. [=Flush the update callback queue=] for |document|.
 
 			Note: this ensures that any changes to the DOM scheduled by other skipped transitions are done before the old state for this transition is captured.
 
@@ -2461,7 +2461,7 @@ It has the following [=struct/items=]:
 
 			1. [=schedule the update callback=] for |transition|.
 
-			1. [=Flush the update callback queue=].
+			1. [=Flush the update callback queue=] for |document|.
 	</div>
 
 	<div algorithm>
@@ -3150,9 +3150,9 @@ To <dfn>adjust nested view transition group transform</dfn> given a |transform|
 
 	<div algorithm>
 		To <dfn>schedule the update callback</dfn> given a {{ViewTransition}} |transition|:
-			1. [=list/Append=] |transition| to |transition|'s [=relevant settings object=]'s [=update callback queue=].
+			1. [=list/Append=] |transition| to |transition|'s [=relevant global object's=] [=associated document=]'s [=update callback queue=].
 			1. [=Queue a global task=] on the [=DOM manipulation task source=],
-				given |transition|'s [=relevant global object=], to [=flush the update callback queue=].
+				given |transition|'s [=relevant global object=], to [=flush the update callback queue=] for |transition|'s [=relevant global object's=] [=associated document=].
 
 	</div>
 	<div algorithm>