Update settings/versioning.mdx

Co-authored-by: Hahnbee Lee <[email protected]>

Author: baell

settings/versioning.mdx

@@ -138,7 +138,7 @@ Common errors and how to fix them
 
 `"versions"` in your `mint.json` can be leveraged to create different language versions. The first localization from the array serves as the default localization.
 
-We currently support localization in English, Chinese, Spanish, French, Japanese, and Portuguese.
+We currently support localization in English (`en`), Chinese, Spanish (`es`), French (`fr`), Japanese, and Portuguese.
 
 Set your localization in your `mint.json` file like this: