Update kubectl-overview.md

Fix format.

docs/user-guide/kubectl-overview.md

@@ -38,7 +38,8 @@ where `command`, `TYPE`, `NAME`, and `flags` are:
         Example: `$ kubectl get pod/example-pod1 replicationcontroller/example-rc1`
         
    * To specify resources with one or more files:  `-f file1 -f file2 -f file<#>`
-     [Use YAML rather than JSON](/docs/concepts/configuration/overview/#general-config-tips) since YAML tends to be more user-friendly, especially for configuration files.<br/>
+   
+        * [Use YAML rather than JSON](/docs/concepts/configuration/overview/#general-config-tips) since YAML tends to be more user-friendly, especially for configuration files.<br/>
      Example: `$ kubectl get pod -f ./pod.yaml`
 * `flags`: Specifies optional flags. For example, you can use the `-s` or `--server` flags to specify the address and port of the Kubernetes API server.<br/>
 **Important**: Flags that you specify from the command line override default values and any corresponding environment variables.