diff --git a/doc/_templates/index.html b/doc/_templates/index.html
index a7fd212..4894573 100644
--- a/doc/_templates/index.html
+++ b/doc/_templates/index.html
@@ -2,6 +2,10 @@
 {% set title = _('Overview') %}
 {% block body %}
 
+    <div style="border: 2px solid red; font-weight: bold;">
+        Migration in progress, things may be broken for now. Please give us some time to finish painting the walls.
+    </div>
+
     <h1>{{ _('Welcome to Bonobo\'s Documentation') }}</h1>
 
     <div style="text-align: center;">