diff --git a/content/en/docs/reference/setup-tools/kubeadm/kubeadm-init.md b/content/en/docs/reference/setup-tools/kubeadm/kubeadm-init.md
index 9639fb39a7..ad2b863911 100644
--- a/content/en/docs/reference/setup-tools/kubeadm/kubeadm-init.md
+++ b/content/en/docs/reference/setup-tools/kubeadm/kubeadm-init.md
@@ -154,14 +154,20 @@ apiServerExtraVolumes:
 - name: <value|string>
   hostPath: <value|string>
   mountPath: <value|string>
+  writable: <value|bool>
+  pathType: <value|string>
 controllerManagerExtraVolumes:
 - name: <value|string>
   hostPath: <value|string>
   mountPath: <value|string>
+  writable: <value|bool>
+  pathType: <value|string>
 schedulerExtraVolumes:
 - name: <value|string>
   hostPath: <value|string>
   mountPath: <value|string>
+  writable: <value|bool>
+  pathType: <value|string>
 apiServerCertSANs:
 - <name1|string>
 - <name2|string>