diff --git a/docs/setup/independent/install-kubeadm.md b/docs/setup/independent/install-kubeadm.md
index 50d503a047..daf5e9e6f7 100644
--- a/docs/setup/independent/install-kubeadm.md
+++ b/docs/setup/independent/install-kubeadm.md
@@ -174,8 +174,7 @@ baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
 enabled=1
 gpgcheck=1
 repo_gpgcheck=1
-gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
-        https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
+gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
 EOF
 setenforce 0
 yum install -y kubelet kubeadm kubectl