diff --git a/manifests/site.pp b/manifests/site.pp
index 0c737bc070..0f8a0b7ae4 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -501,6 +501,7 @@ node /^subunit-worker\d+\.openstack\.org$/ {
 }
 
 # Node-OS: precise
+# Node-OS: trusty
 node /^elasticsearch0[1-7]\.openstack\.org$/ {
   $group = "elasticsearch"
   $iptables_nodes_rule = regsubst ($elasticsearch_nodes,