Merge pull request #48929 from tengqm/fix-kubeadm-cfg-typo

Fix typo in kubeadm config v1beta4

Author: k8s-ci-robot

content/en/docs/reference/config-api/kubeadm-config.v1beta4.md

@@ -278,7 +278,7 @@ configuration types to be used during a <code>kubeadm init</code> run.</p>
 </span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">dns</span>:<span style="color:#bbb">
 </span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">disabled</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">true</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic"># disable CoreDNS</span><span style="color:#bbb">
 </span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">proxy</span>:<span style="color:#bbb">
-</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">diabled</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">true</span><span style="color:#bbb">   </span><span style="color:#998;font-style:italic"># disable kube-proxy</span><span style="color:#bbb">
+</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">disabled</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">true</span><span style="color:#bbb">   </span><span style="color:#998;font-style:italic"># disable kube-proxy</span><span style="color:#bbb">
 </span><span style="color:#bbb">
 </span><span style="color:#bbb"></span>---<span style="color:#bbb">
 </span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubelet.config.k8s.io/v1beta1<span style="color:#bbb">