diff --git a/docs/user-guide/configuring-containers.md b/docs/user-guide/configuring-containers.md
index afe942fdef..99eb9221bc 100644
--- a/docs/user-guide/configuring-containers.md
+++ b/docs/user-guide/configuring-containers.md
@@ -83,7 +83,7 @@ spec:  # specification of the pod’s contents
     args: ["/bin/echo \"${MESSAGE}\""]
 ```
 
-However, a shell isn't necessary just to expand environment variables. Kubernetes will do it for you if you use [`$(ENVVAR)` syntax](https://github.com/kubernetes/kubernetes/blob/{{page.githubbranch}}/docs/design/expansion):
+However, a shell isn't necessary just to expand environment variables. Kubernetes will do it for you if you use [`$(ENVVAR)` syntax](https://github.com/kubernetes/kubernetes/blob/{{page.githubbranch}}/docs/design/expansion.md):
 
 ```yaml
     command: ["/bin/echo"]