[css-anchor-position-1] Clarify that position-try-order also uses the WM of the container. #13076

Author: tabatkins

css-anchor-position-1/Overview.bs

@@ -1471,7 +1471,7 @@ to overflow its [=containing block=]
 is taken as the winner.
 
 'position-try-order' allows these options
-to additional be sorted by the available space they define,
+to additionally be sorted by the available space they define,
 if it's more important for the box to have as much space as possible
 rather than strictly follow some declared order.
 
@@ -1751,6 +1751,9 @@ the [=position options list=] will be tried.
 		Stably sort the [=position options list=]
 		according to this size,
 		with the largest coming first.
+
+		Logical directions are resolved against
+		the [=writing mode=] of the [=containing block=].
 </dl>
 
 <div class=example>