From 86315be2f0af17a922b13d562e8ce8feaa99a9e6 Mon Sep 17 00:00:00 2001
From: Charles Smith <charles.smith@docker.com>
Date: Fri, 5 Aug 2016 16:51:07 -0700
Subject: [PATCH] fix typo, change sample cert expiry value

Signed-off-by: Charles Smith <charles.smith@docker.com>
---
 docs/reference/commandline/swarm_update.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/reference/commandline/swarm_update.md b/docs/reference/commandline/swarm_update.md
index 9aa8131941..5299be257d 100644
--- a/docs/reference/commandline/swarm_update.md
+++ b/docs/reference/commandline/swarm_update.md
@@ -27,7 +27,7 @@ Updates a swarm with new parameter values. This command must target a manager no
 
 
 ```bash
-$ docker swarm update --cert-expirty 4000h0m0s
+$ docker swarm update --cert-expiry 720h
 ```
 
 ## Related information