From b4712a55c3c23fe74bc47d01d4cdead28d0f3349 Mon Sep 17 00:00:00 2001
From: SataQiu <1527062125@qq.com>
Date: Thu, 22 Nov 2018 22:39:28 +0800
Subject: [PATCH] fix typo: oppenssl -> openssl (#2913)

---
 content/docs/tasks/security/mutual-tls/index.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/docs/tasks/security/mutual-tls/index.md b/content/docs/tasks/security/mutual-tls/index.md
index 26b06faac9..e49a4bdad5 100644
--- a/content/docs/tasks/security/mutual-tls/index.md
+++ b/content/docs/tasks/security/mutual-tls/index.md
@@ -46,7 +46,7 @@ root-cert.pem
 paired with Envoy's cert in `cert-chain.pem`. `root-cert.pem` is the root cert to verify the peer's cert.
 In this example, we only have one Citadel in a cluster, so all Envoys have the same `root-cert.pem`.
 
-Use the `oppenssl` tool to check if certificate is valid (current time should be in between `Not Before` and `Not After`)
+Use the `openssl` tool to check if certificate is valid (current time should be in between `Not Before` and `Not After`)
 
 {{< text bash >}}
 $ kubectl exec $(kubectl get pod -l app=httpbin -o jsonpath={.items..metadata.name}) -c istio-proxy -- cat /etc/certs/cert-chain.pem | openssl x509 -text -noout  | grep Validity -A 2