[css-scroll-snap] Reword to use less quotation marks. Shift towards the end since its an exception case.

Author: fantasai

css-scroll-snap/Overview.bs

@@ -769,11 +769,6 @@ Choosing Snap Positions {#choosing}
 		and the final snapped scroll position,
 		subject to the additional constraints listed in this section.
 
-	* If the most appropriate <a>snap position</a> is "unreachable",
-		such that aligning to it would "overscroll" the  <a>scroll container</a>,
-		the <a>scroll container</a> must be scrolled <em>as much as possible</em> in each axis
-		toward the desired <a>snap position</a>.
-
 	* <a>2D snap positions</a> are all-or-nothing;
 		if a <a>2D snap position</a> is chosen to align to,
 		the <a>scroll container</a> must set its scroll position
@@ -810,6 +805,12 @@ Choosing Snap Positions {#choosing}
 
 		(This implies that a <a>semantic scroll</a> must always ignore the starting <a>snap positions</a>.)
 
+	* If the most appropriate <a>snap position</a> is unreachable,
+		such that aligning to it would require scrolling the <a>scroll container</a>’s viewport
+		past the edge of its <a>scrollable area</a>,
+		the <a>scroll container</a> must be scrolled <em>as much as possible</em> in each relevant axis
+		toward the desired <a>snap position</a>.
+
 	* A user agent <em>may</em> want to ignore ''mandatory'' <a>snap positions</a>
 		that are sufficiently far away from the scroll's end point,
 		to ensure that users are able to see everything on the page