mention kubelogin

Author: mlhoop

articles/aks/managed-aad.md

@@ -149,6 +149,7 @@ The user above gets an error because the user is not a part of a group that has
 ## Next steps
 
 Learn about [Azure AD Role Based Access Control][azure-ad-rbac].
+Use [kubelogin][https://github.com/Azure/kubelogin] to use features for azure authentication that are not available in kubectl
 
 <!-- LINKS - Internal -->
 [azure-ad-rbac]: azure-ad-rbac.md