diff --git a/inventory/group_vars/all.yml b/inventory/group_vars/all.yml
index f72276ae6..d184fb9b4 100644
--- a/inventory/group_vars/all.yml
+++ b/inventory/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