Update operator-best-practices-cluster-isolation.md

Author: miwithro

articles/aks/operator-best-practices-cluster-isolation.md

@@ -50,7 +50,7 @@ For more information about these features, see [Best practices for authenticatio
 ### Containers
 *Containers* include:
 * The Azure Policy Add-on for AKS to enforce pod security.
-* The use of pod security contexts.
+* The use of pod security admission.
 * Scanning both images and the runtime for vulnerabilities. 
 * Using App Armor or Seccomp (Secure Computing) to restrict container access to the underlying node.