diff --git a/ca.conf b/ca.conf
index 35d9e76..39f3719 100644
--- a/ca.conf
+++ b/ca.conf
@@ -176,7 +176,7 @@ extendedKeyUsage     = clientAuth, serverAuth
 keyUsage             = critical, digitalSignature, keyEncipherment
 nsCertType           = client, server
 nsComment            = "Kube API Server Certificate"
-subjectAltName       = @kube-api-server_alt_names
+subjectAltName       = @kube-apiserver_alt_names
 subjectKeyIdentifier = hash
 
 [kube-apiserver_alt_names]
diff --git a/docs/04-certificate-authority.md b/docs/04-certificate-authority.md
index 783c548..dbc5977 100644
--- a/docs/04-certificate-authority.md
+++ b/docs/04-certificate-authority.md
@@ -54,7 +54,7 @@ certs=(
   "admin" "node01" "node02"
   "kube-proxy" "kube-scheduler"
   "kube-controller-manager"
-  "kube-api-server"
+  "kube-apiserver"
   "service-accounts"
 )
 ```