Documentation fixes for Arc enabled Kubernetes

Author: shashankbarsin

articles/azure-arc/kubernetes/create-onboarding-service-principal.md

@@ -15,7 +15,7 @@ keywords: "Kubernetes, Arc, Azure, containers"
 
 ## Overview
 
-It is possible to use service principals having a role assignment with limited privileges for onboarding Kubernetes clusters to Azure Arc. This is useful in continuous integration and continuous deployment pipelines like Azure Pipelines and GitHub Actions.
+It is possible to use service principals having a role assignment with limited privileges for onboarding Kubernetes clusters to Azure Arc. This is useful in continuous integration and continuous deployment (CI/CD) pipelines like Azure Pipelines and GitHub Actions.
 
 The following steps provide a walkthrough on using service principals for onboarding Kubernetes clusters to Azure Arc.