diff --git a/README.md b/README.md
index 9b7fd44..a388989 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Be aware that only content from the current site will be added to a site's sitem
 
 When doing external rendering, via for example Next.XP, you can fetch the data needed to generate a sitemap.xml file via a Guillotine Extension.
 
-Use the `Query playground` in Content Studio to study the Guillotine Schema. You can find a field named `sitemap` on the `portal_Site` object type.
+Use the `Query playground` in Content Studio to study the Guillotine Schema. You can find a field named `sitemap` on the `HeadlessCms` object type.
 
 You may also study how we did it in our own [site-enonic-next](https://github.com/enonic/site-enonic-next).