Update kubeadm_upgrade_diff.md

jiazxjason · web-flow · commit 7e126bd326e8 · 2020-07-03T09:35:46.000+08:00
diff --git a/content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_upgrade_diff.md b/content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_upgrade_diff.md
@@ -141,6 +141,7 @@ kubeadm upgrade diff [version] [flags]
 
 </tbody>
 </table>
+
 <!--
 ### Options inherited from parent commands
 
