diff --git a/manifests/site.pp b/manifests/site.pp
index de85fc925b..a004683ec2 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -1184,6 +1184,7 @@ node 'codesearch.openstack.org' {
 
 # Node-OS: trusty
 # Node-OS: centos7
+# Node-OS: xenial
 node /.*wheel-mirror-.*\.openstack\.org/ {
   $group = 'wheel-mirror'
   include openstack_project