[css-grid-2] Clarify “each”. [Needs some rewriting anyway, but at least this is an improvement.]

Author: fantasai

css-grid-1/Overview.bs

@@ -3920,7 +3920,7 @@ Resolve Intrinsic Track Sizes</h3>
 					set the track's <a>base size</a>
 					to the maximum of its items’ <a lt="min-content contribution">min/max-content contributions</a>,
 					respectively,
-					limited by the <a>max track sizing function</a>
+					each limited by the <a>max track sizing function</a>
 					if that is <a lt="fixed track sizing function">fixed</a>
 					and ultimately floored by its <a>min-size contribution</a>.
 
@@ -4494,7 +4494,7 @@ Major Changes</h4>
 				set the track's <a>base size</a>
 				to the maximum of its items’ <a lt="min-content contribution">min/max-content contributions</a>,
 				respectively<ins>,
-				limited to less than or equal to the <a>max track sizing function</a>
+				each limited to less than or equal to the <a>max track sizing function</a>
 				if that is <a lt="fixed track sizing function">fixed</a>,
 				and ultimately floored by its <a>min-size contribution</a>.</ins>
 			</blockquote>