diff --git a/docs/08-bootstrapping-kubernetes-controllers.md b/docs/08-bootstrapping-kubernetes-controllers.md
index 1c2883b..f00dca9 100644
--- a/docs/08-bootstrapping-kubernetes-controllers.md
+++ b/docs/08-bootstrapping-kubernetes-controllers.md
@@ -95,7 +95,7 @@ ExecStart=/usr/local/bin/kube-apiserver \\
   --kubelet-client-key=/var/lib/kubernetes/kubernetes-key.pem \\
   --kubelet-https=true \\
   --runtime-config=api/all \\
-  --service-account-key-file=/var/lib/kubernetes/service-account.pem \\
+  --service-account-key-file=/var/lib/kubernetes/service-account-key.pem \\
   --service-cluster-ip-range=10.32.0.0/24 \\
   --service-node-port-range=30000-32767 \\
   --tls-cert-file=/var/lib/kubernetes/kubernetes.pem \\