RHDEVDOCS-5389: Correct the formatting of sample commands in Pipelines as Code chapter

Author: eromanova97

modules/op-using-pipelines-as-code-with-a-github-app.adoc

@@ -39,8 +39,19 @@ To create and configure a GitHub App manually for {pac}, perform the following s
 
 * **GitHub Application Name**: `{pipelines-shortname}`
 * **Homepage URL**: OpenShift Console URL 
-* **Webhook URL**: The {pac} route or ingress URL. You can find it by running the command `echo https://$(oc get route -n openshift-pipelines pipelines-as-code-controller -o jsonpath='{.spec.host}')`.
-* **Webhook secret**: An arbitrary secret. You can generate a secret by executing the command `openssl rand -hex 20`.
+* **Webhook URL**: The {pac} route or ingress URL. You can find it by running the following command:
++
+[source,terminal]
+----
+$ echo https://$(oc get route -n openshift-pipelines pipelines-as-code-controller -o jsonpath='{.spec.host}')
+----
+
+* **Webhook secret**: An arbitrary secret. You can generate a secret by running the following command:
++
+[source,terminal]
+----
+$ openssl rand -hex 20
+----
 
 . Select the following **Repository permissions**: