Close #13089 (#13353)

content/ja/docs/setup/independent/setup-ha-etcd-with-kubeadm.md

@@ -44,9 +44,8 @@ this example.
 
 1. Configure the kubelet to be a service manager for etcd.
 
-    Running etcd is simpler than running kubernetes so you must override the
-    kubeadm-provided kubelet unit file by creating a new one with a higher
-    precedence.
+    Since etcd was created first, you must override the service priority by creating a new unit file
+    that has higher precedence than the kubeadm-provided kubelet unit file.
 
     ```sh
     cat << EOF > /etc/systemd/system/kubelet.service.d/20-etcd-service-manager.conf
@@ -90,7 +89,7 @@ this example.
             peerCertSANs:
             - "${HOST}"
             extraArgs:
-                initial-cluster: infra0=https://${ETCDHOSTS[0]}:2380,infra1=https://${ETCDHOSTS[1]}:2380,infra2=https://${ETCDHOSTS[2]}:2380
+                initial-cluster: ${NAMES[0]}=https://${ETCDHOSTS[0]}:2380,${NAMES[1]}=https://${ETCDHOSTS[1]}:2380,${NAMES[2]}=https://${ETCDHOSTS[2]}:2380
                 initial-cluster-state: new
                 name: ${NAME}
                 listen-peer-urls: https://${HOST}:2380
@@ -256,7 +255,7 @@ this example.
 
 {{% capture whatsnext %}}
 
-Once your have a working 3 member etcd cluster, you can continue setting up a
+Once you have a working 3 member etcd cluster, you can continue setting up a
 highly available control plane using the [external etcd method with
 kubeadm](/docs/setup/independent/high-availability/).