diff --git a/jenkins/README.md b/jenkins/README.md
index 8ecb101..d298168 100644
--- a/jenkins/README.md
+++ b/jenkins/README.md
@@ -7,7 +7,7 @@ Create *jenkins* user:
 ```sh
 kubeadm kubeconfig user \
     --client-name jenkins \
-    --config kubeadm-user.yml \
+    --config kubeadm-user.yaml \
     --org jenkins \
     > jenkins.kubeconfig
 ```