diff --git a/_layouts/repo.html b/_layouts/repo.html
index c4e9462..bd050ae 100644
--- a/_layouts/repo.html
+++ b/_layouts/repo.html
@@ -6,6 +6,11 @@ layout: default
 {% assign repo = page.repo %}
 {% assign list = site.data.index[repo].bionic %}
 
+<p>
+    NOTE: If this is your first time here, you need to do some configurations before you can use this repository.
+    Please read the <a target="_blank" href="{{ "/#setup" | absolute_url }}">instructions</a>.
+</p>
+
 <h2>{{ page.title }} Repository</h2>
 
 <p>{{ page.description }}</p>