Update kubectl-overview.md

Fix the format of web page.

docs/user-guide/kubectl-overview.md

@@ -26,12 +26,16 @@ where `command`, `TYPE`, `NAME`, and `flags` are:
 * `NAME`: Specifies the name of the resource. Names are case-sensitive. If the name is omitted, details for all resources are displayed, for example `$ kubectl get pods`.
 
    When performing an operation on multiple resources, you can specify each resource by type and name or specify one or more files:
+   
    * To specify resources by type and name:
-        * To group resources if they are all the same type: `TYPE1 name1 name2 name<#>`<br/>.
+   
+        * To group resources if they are all the same type:  `TYPE1 name1 name2 name<#>`.<br/>
         Example: `$ kubectl get pod example-pod1 example-pod2`
-        * To specify multiple resource types individually: `TYPE1/name1 TYPE1/name2 TYPE2/name3 TYPE<#>/name<#>`<br/>.
+        
+        * To specify multiple resource types individually:  `TYPE1/name1 TYPE1/name2 TYPE2/name3 TYPE<#>/name<#>`.<br/>
         Example: `$ kubectl get pod/example-pod1 replicationcontroller/example-rc1`
-   * To specify resources with one or more files: `-f file1 -f file2 -f file<#>`
+        
+   * 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/>
      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/>