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-rw-r--r--playbooks/byo/openshift-cluster/upgrades/docker/upgrade.yml1
1 files changed, 1 insertions, 0 deletions
diff --git a/playbooks/byo/openshift-cluster/upgrades/docker/upgrade.yml b/playbooks/byo/openshift-cluster/upgrades/docker/upgrade.yml
index a3ab78ccf..561be7859 100644
--- a/playbooks/byo/openshift-cluster/upgrades/docker/upgrade.yml
+++ b/playbooks/byo/openshift-cluster/upgrades/docker/upgrade.yml
@@ -1,3 +1,4 @@
+---
# Playbook to upgrade Docker to the max allowable version for an OpenShift cluster.
#
# Currently only supports upgrading 1.9.x to >= 1.10.x.