diff --git a/docs/about.rst b/docs/about.rst
index 0bf20bc0eec7190b74e7a9c0eafe0bcddee05f53..7d9ef2d12d607a9621731e1db10770685ab96a11 100644
--- a/docs/about.rst
+++ b/docs/about.rst
@@ -11,6 +11,9 @@ Roles cover different aspects of infrastructure, such as mail servers, web
 servers, web applications etc. The roles are mainly well-suited for smaller
 installations.
 
+At the moment, the roles have been written for and tested against **Ansible
+1.9.x**.
+
 
 Why were these roles created?
 -----------------------------