docs: ✏️ update the usage of native

Author: Chun-Lin

README.md

@@ -103,11 +103,6 @@ countries.setLabel('VN', 'Vietnam').getLabel('VN') // 'Vietnam'
 
 You may want an empty value option in the list, so here's the helper function for you. Again, it can be chained with another methods above.
 
-### native()
-
-You may want to display native name of countries, this is the method for you.
-The data source of native names can be found [here](https://annexare.github.io/Countries/)
-
 #### Usage
 ```js
 countries.setEmpty('Select a Country').getLabel('') // 'Select a Country'
@@ -118,7 +113,15 @@ We can even chain `setLabel` and `setEmpty` together to have list with an empty
 countries.setLabel('VN', 'Vietnam').setEmpty('Select a Country').getLabel('VN') // 'Vietnam'
 ```
 
+### native()
+
+You may want to display native name of countries, this is the method for you.
+The data source of native names can be found [here](https://annexare.github.io/Countries/)
 
+#### Usage
+```js
+countries.native().getLabel('TW') // 臺灣
+```
 
 
 ## License