From 0ab2ee2e4c656dd38e7ae44dc3de96f3f3e1c6db Mon Sep 17 00:00:00 2001
From: wgui1 <guienator@gmail.com>
Date: Thu, 11 Jan 2018 14:40:03 +0800
Subject: [PATCH] Update certificates.md

---
 docs/concepts/cluster-administration/certificates.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/concepts/cluster-administration/certificates.md b/docs/concepts/cluster-administration/certificates.md
index f501af20f3..315d4e141e 100644
--- a/docs/concepts/cluster-administration/certificates.md
+++ b/docs/concepts/cluster-administration/certificates.md
@@ -51,7 +51,7 @@ Finally, add the following parameters into API server start parameters:
     The sample below also assume that you are using `cluster.local` as the default
     DNS domain name.
 
-        ./easyrsa --subject-alt-name="IP:${MASTER_IP}"\
+        ./easyrsa --subject-alt-name="IP:${MASTER_IP},"\
         "IP:${MASTER_CLUSTER_IP},"\
         "DNS:kubernetes,"\
         "DNS:kubernetes.default,"\