[css-grid-1] Some minor corrections for min-size contribution. #2674

Author: fantasai

css-grid-1/Overview.bs

@@ -3922,10 +3922,11 @@ Resolve Intrinsic Track Sizes</h3>
 					floored at zero.
 					The <dfn noexport>min-size contribution</dfn> of an item is
 					the outer size that would result from assuming
-					the item’s used 'min-width' or 'min-height' value
-					(whichever matches the relevant axis)
-					as its specified size ('width' or 'height', whichever matches the relevant axis)
-					if its computed size [=behaves as auto=],
+					the item’s used <a>minimum size</a>
+					('min-width' or 'min-height', whichever matches the relevant axis)
+					as its <a>preferred size</a>
+					('width' or 'height', whichever matches the relevant axis)
+					if its computed <a>preferred size</a> [=behaves as auto=],
 					or else the item’s <a>min-content contribution</a>.
 
 					Note: For items with a specified minimum size of ''min-width/auto'' (the initial value),