kubeadm reference doc for release 1.12 (#10359)

content/en/docs/reference/setup-tools/kubeadm/generated/kubeadm_token.md

@@ -20,7 +20,7 @@ What is a bootstrap token more exactly?
  - The name of the Secret must be named "bootstrap-token-(token-id)".
 
 You can read more about bootstrap tokens here:
-  https://kubernetes.io/docs/reference/access-authn-authz/bootstrap-tokens/
+  https://kubernetes.io/docs/admin/bootstrap-tokens/
 
 
 ```
@@ -54,7 +54,28 @@ kubeadm token [flags]
       <td colspan="2">--kubeconfig string&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Default: "/etc/kubernetes/admin.conf"</td>
     </tr>
     <tr>
-      <td></td><td style="line-height: 130%; word-wrap: break-word;">The KubeConfig file to use when talking to the cluster. If the flag is not set a set of standard locations are searched for an existing KubeConfig file</td>
+      <td></td><td style="line-height: 130%; word-wrap: break-word;">The KubeConfig file to use when talking to the cluster. If the flag is not set, a set of standard locations are searched for an existing KubeConfig file.</td>
+    </tr>
+
+  </tbody>
+</table>
+
+
+
+### Options inherited from parent commands
+
+<table style="width: 100%; table-layout: fixed;">
+  <colgroup>
+    <col span="1" style="width: 10px;" />
+    <col span="1" />
+  </colgroup>
+  <tbody>
+
+    <tr>
+      <td colspan="2">--rootfs string</td>
+    </tr>
+    <tr>
+      <td></td><td style="line-height: 130%; word-wrap: break-word;">[EXPERIMENTAL] The path to the 'real' host root filesystem.</td>
     </tr>
 
   </tbody>