Update css-view-transitions-1/Overview.bs

Co-authored-by: Khushal Sagar <63884798+khushalsagar@users.noreply.github.com>

Author: vmpstr

css-view-transitions-1/Overview.bs

@@ -851,6 +851,7 @@ The {{ViewTransition/domUpdated}} [=getter steps=] are to return [=this's=] [=Vi
     1. Set |document|'s [=document/active DOM transition=] to null.
 
     1. If |transition|'s [=ViewTransition/ready promise=] has not yet been resolved, [=reject=] it with |reason|.
+       Note: The ready promise would've been resolved if skipTransition() is called after we start animating.
 
     1. [=Reject=] |transition|'s [=ViewTransition/finished promise=] with |reason|.
 </div>