Removed extra "---" in .md export

_layouts/rule.html

@@ -137,8 +137,7 @@ layout: default
       <a href="https://creativecommons.org/licenses/by-sa/4.0/">Creative Commons BY-SA</a></p>
     <p><strong>The Publish feature is experimental. Rules may be removed without notice</strong></p>
   </div>
-  <div id="attributionMD" style="display:none;">---
-
+  <div id="attributionMD" style="display:none;">
 [![CommunityRule derived](https://communityrule.info{% link assets/CommunityRule-derived-000000.svg %})](https://communityrule.info)   
 [Creative Commons BY-SA](https://creativecommons.org/licenses/by-sa/4.0/)
 </div>