Merge pull request #25547 from Evalle/ISSUE-25468

State that no more than one handler is allowed per lifecycle event

Author: k8s-ci-robot

content/en/docs/tasks/configure-pod-container/attach-handler-lifecycle-event.md

@@ -9,7 +9,7 @@ weight: 140
 This page shows how to attach handlers to Container lifecycle events. Kubernetes supports
 the postStart and preStop events. Kubernetes sends the postStart event immediately
 after a Container is started, and it sends the preStop event immediately before the
-Container is terminated.
+Container is terminated. A Container may specify one handler per event.