Apply nits

css-view-transitions-1/Overview.bs

@@ -1570,7 +1570,8 @@ urlPrefix: https://wicg.github.io/navigation-api/; type: interface;
 				following the [=capture rendering characteristics=].
 
 			1. Return the portion of the canvas that includes |element|'s [=ink overflow rectangle=] as an image.
-				The [=natural size=] of the image must be |element|'s [=border box=]'s [=size=].
+				The [=natural size=] of the image must be |element|'s [=border box=]'s [=size=],
+				and its origin corresponds to the |element|'s [=border box=]'s origin.
 
 	</div>
 
@@ -1589,7 +1590,7 @@ urlPrefix: https://wicg.github.io/navigation-api/; type: interface;
 		* Effects on the element, such as 'opacity' and 'filter' are applied to the capture.
 
 		* Implementations may clip the rendered contents if the [=ink overflow rectangle=] exceeds some [=implementation-defined=] maximum.
-			However, the captured image should include, at the very least, the contents of |element| that intersect with the [=viewport=].
+			However, the captured image should include, at the very least, the contents of |element| that intersect with the [=snapshot root=].
 			Implementations may adjust the rasterization quality to account for elements with a large [=border box=] that are transformed into view.
 
 		* [=list/For each=] |descendant| of [=shadow-including descendant=] {{Element}} and [=pseudo-element=] of |element|,