[css-sizing-3] Fix link error.

fantasai · fantasai · commit f94d43284c5a · 2019-05-16T20:49:25.000-04:00
diff --git a/css-sizing-3/Overview.bs b/css-sizing-3/Overview.bs
@@ -244,7 +244,7 @@ Auto Box Sizes</h3>
 			derived primarily from one of these two sizes.)
 	</dl>
 
-<h3 id='contributions' dfn export lt="intrinsic size contribution">
+<h3 id='contributions'>
 Intrinsic Size Contributions</h3>
 
 	<dl export>
