robots.txt in jumbo-jekyll-theme-3.4.0 vs robots.txt in jumbo-jekyll-theme-3.5.0

@@ -1,9 +1,9 @@
 ---
 ---
 {% if site.production == true %}
 User-agent: *
-Allow: /
+Sitemap: {{site.url}}/sitemap.xml
 {% else %}
 User-agent: *
 Disallow: /
 {% endif %}