Fix typo in css-view-transitions-2 (#11995)

Author: Psychpsyo

css-view-transitions-2/Overview.bs

@@ -652,7 +652,7 @@ div.box {
 
 	The 'view-transition-class' can be used to apply the same style rule to multiple [=named view transition pseudo-elements=] which may have a different 'view-transition-name'.
 	While 'view-transition-name' is used to match between the element in the old state with its corresponding element in the new state, 'view-transition-class' is used
-	only to apply styles using the view transitionpseudo-elements
+	only to apply styles using the view transition pseudo-elements
 	(''::view-transition-group()'', ''::view-transition-image-pair()'', ''::view-transition-old()'', ''::view-transition-new()'').
 
 	Note that 'view-transition-class' by itself doesn't mark an element for capturing, it is only used as an additional