diff --git a/index.md b/index.md
index 6e375f3..80b2891 100644
--- a/index.md
+++ b/index.md
@@ -19,7 +19,7 @@ XPUB’s interests in publishing are therefore twofold: first, publishing as the
 </details>
 
 
-<details>
+<details open>
 <summary>
 Welcome to the XPUB homepage with links to tools and webpages we use in
 the course.