[scroll-animations-1][editorial] Fixed Bikeshed issue

Author: SebastianZ

scroll-animations-1/Overview.bs

@@ -1379,7 +1379,7 @@ spec:selectors-4; type:dfn; text:selector
 
 	ISSUE: Define application to time-driven animations.
 
-### Examples
+### Examples ### {#animation-range-examples}
 
 	<div class=example>
 		In the following example, each direct child of the `.scroller` element