diff --git a/manifests/site.pp b/manifests/site.pp
index 9501e608da..8f8f0e8253 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -1156,6 +1156,7 @@ node 'codesearch.openstack.org' {
 }
 
 # Node-OS: trusty
+# Node-OS: centos7
 node /.*wheel-mirror-.*\.openstack\.org/ {
   $group = 'wheel-mirror'
   include openstack_project