diff --git a/contrib/terraform/openstack/group_vars/all.yml b/contrib/terraform/openstack/group_vars/all.yml
index 8b0cd2bcdb87182efef15f2c3f91f176b3b9bf3a..3dbbddbf71bacf0ec76d310e4594235d7fcad84a 100644
--- a/contrib/terraform/openstack/group_vars/all.yml
+++ b/contrib/terraform/openstack/group_vars/all.yml
@@ -1,4 +1,4 @@
-# Valid bootstrap options (required): xenial, coreos, none
+# Valid bootstrap options (required): ubuntu, coreos, none
 bootstrap_os: "none" 
 
 # Directory where the binaries will be installed