diff --git a/docs/getting-started-guides/ubuntu/decommissioning.md b/docs/getting-started-guides/ubuntu/decommissioning.md
index 7e7f72c714..1585e64915 100644
--- a/docs/getting-started-guides/ubuntu/decommissioning.md
+++ b/docs/getting-started-guides/ubuntu/decommissioning.md
@@ -11,6 +11,7 @@ This page shows you how to properly decommission a cluster.
 This page assumes you have a working Juju deployed cluster.
 
 **Warning:** By the time you've reached this step you should have backed up your workloads and pertinent data; this section is for the complete destruction of a cluster.
+{: .warning}
 
 {% endcapture %}