[css-grid-1] Resimplify note. w3c#5351

Author: fantasai

css-grid-1/Overview.bs

@@ -4324,8 +4324,7 @@ Distributing Extra Space Across Spanned Tracks</h4>
 
 					Note: If the affected size was a <a>growth limit</a>
 					and the track is not marked [=infinitely growable=],
-					then the |item-incurred increase| for each spanned track with an affected size
-					is zero.
+					then each |item-incurred increase| will be zero.
 
 				<li>
 					<strong>Distribute space beyond growth limits:</strong>
@@ -5244,11 +5243,9 @@ Clarifications</h4>
 				the |limit| is infinity if it is marked as [=infinitely growable=],
 				and equal to the [=growth limit=] otherwise.</ins>
 
-				<p class=note>Note: If the affected size was a <a>growth limit</a>,
-				<del>each |item-incurred increase| will be zero.</del>
+				<p class=note>Note: If the affected size was a <a>growth limit</a>
 				<ins>and the track is not marked [=infinitely growable=],
-				then the |item-incurred increase| for each spanned track with an affected size
-				is zero.</ins>
+				then each |item-incurred increase| will be zero.
 			</blockquote>
 	</ul>