fix typos (openshift#1221)

yuexiao-wang · Doug Davis · commit 5b81814c3748 · 2017-09-12T07:29:12.000-07:00
Signed-off-by: yuexiao-wang &lt;wang.yuexiao@zte.com.cn&gt;
diff --git a/docs/install-1.7.md b/docs/install-1.7.md
@@ -64,7 +64,7 @@ minikube start --extra-config=apiserver.Authorization.Mode=RBAC
 If you are using `hack/local-up-cluster.sh`, ensure the
 `AUTHORIZATION_MODE` environment variable is set as follows:
 
-``console
+```console
 AUTHORIZATION_MODE=Node,RBAC hack/local-up-cluster.sh -O
 ```
 
