diff --git a/examples/walkthrough/k8s201.md b/examples/walkthrough/k8s201.md
index a8ca8b02acd..17399448d79 100644
--- a/examples/walkthrough/k8s201.md
+++ b/examples/walkthrough/k8s201.md
@@ -116,7 +116,7 @@ Kubelet to ensure that your application is operating correctly for a definition
 Currently, there are three types of application health checks that you can choose from:
 
    * HTTP Health Checks - The Kubelet will call a web hook.  If it returns between 200 and 399, it is considered success, failure otherwise.
-   * Container Exec - The Kubelet will execute a command inside your container.  If it returns "ok" it will be considered a success.
+   * Container Exec - The Kubelet will execute a command inside your container.  If it exits with status 0 it will be considered a success.
    * TCP Socket - The Kubelet will attempt to open a socket to your container.  If it can establish a connection, the container is considered healthy, if it can't it is considered a failure.
 
 In all cases, if the Kubelet discovers a failure, the container is restarted.