Update css-view-transitions-2/Overview.bs

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

Author: noamr

css-view-transitions-2/Overview.bs

@@ -204,7 +204,7 @@ spec:infra; type:dfn; text:list
 
 ### 'view-transition-class' ### {#vt-class-example}
 
-In addition to cross-document view-transitions, this document specifies a way to use the same view-transition style
+view-transition-class provides a way to use the same view-transition style
 for multiple elements without having to replicate the corresponding pseudo-elements.
 
 	<div class="example">