Fixing WARNING: topics/mta-7-installing-web-console-on-openshift.adoc: line 262: invalid style for listing block: sample

Signed-off-by: A.Arnold <[email protected]>

Author: anarnold97

docs/topics/mta-7-installing-web-console-on-openshift.adoc

@@ -9,7 +9,7 @@
 
 You can install the {ProductName} ({ProductShortName}) {WebName} on all Red Hat OpenShift cloud services and Red Hat OpenShift self-managed editions.
 
-IMPORTANT: To be able to create {ProductShortName} instances, you must first install the {ProductShortName} Operator.	
+IMPORTANT: To be able to create {ProductShortName} instances, you must first install the {ProductShortName} Operator.
 
 The {ProductShortName} Operator is a structural layer that manages resources deployed on OpenShift, such as database, front end, and back end, to automatically create an {ProductShortName} instance.
 
@@ -161,7 +161,7 @@ The most commonly used CR settings are listed in this table:
 |====
 +
 .Example YAML file
-[sample,YAML]
+[source,YAML]
 ----
 kind: Tackle
 apiVersion: tackle.konveyor.io/v1alpha1