fix formatting issue

Author: rosemarymarano

kubernetes/samples/scripts/create-weblogic-domain/domain-home-on-pv/README.md

@@ -114,6 +114,7 @@ Note that the example results below use the `default` Kubernetes namespace. If y
 
 The content of the generated `domain.yaml`:
 
+```
 # Copyright 2017, 2019, Oracle Corporation and/or its affiliates. All rights reserved.
 
 # Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.