[css-grid-3][editorial] Fix typo

Author: fantasai

css-grid-3/Overview.bs

@@ -813,7 +813,7 @@ Placement Precision: the 'item-tolerance' property</h3>
 
 	ISSUE(10884): The CSSWG is open to better names for this property.
 
-	Note: We expect to apply this property to [=flex layout=] in the future also,
+	Note: We expect to apply this property to apply to [=flex layout=] in the future also,
 	see <a href='https://github.com/w3c/csswg-drafts/issues/3071'>discussions</a>
 	on how that might work.