Update language code in README

README.md

@@ -24,12 +24,12 @@ You don't need to know how to craft. All you need to know is how it will looks l
 * Support UUID
 * Multi language support (Setting in config.yml)  
   * English(en)
-  * Traditional Chinese(zh-tw)
-  * Simplified Chinese(zh-cn)
+  * Traditional Chinese(zh_TW)
+  * Simplified Chinese(zh_CN)
   * German(de) (Thanks [Marrarus](https://github.com/Marrarus))
   * French(fr) (Thanks [RedNesto](https://github.com/RedNesto))
   * Russian(ru) (Thanks [sdir01](https://www.spigotmc.org/members/sdir01.238854/))
-  * Portuguese(pt-br) (Thanks [Rhander](https://www.spigotmc.org/members/rhander.103119/))
+  * Portuguese(pt_BR) (Thanks [Rhander](https://www.spigotmc.org/members/rhander.103119/))
   * Dutch(nl) (Thanks [DeTrollers](https://www.spigotmc.org/members/detrollers.174265/))
   * Spanish(es) (Thanks [stevejone1997](https://www.spigotmc.org/members/stevejone1997.432373/), [C4BR3R4](https://www.spigotmc.org/members/c4br3r4.26779/))
   * Hungarian(hu) (Thanks [montlikadani](https://www.spigotmc.org/members/toldi.251100/))

README.zh-tw.md

@@ -24,12 +24,12 @@
 * 支援UUID
 * 多國語言（在config.yml設定）  
   * 英文(en)
-  * 正體中文(zh-tw)
-  * 簡體中文(zh-cn)
+  * 正體中文(zh_TW)
+  * 簡體中文(zh_CN)
   * 德文(de)（感謝 [Marrarus](https://github.com/Marrarus)）
   * 法文(fr)（感謝 [RedNesto](https://github.com/RedNesto)）
   * 俄文(ru)（感謝 [sdir01](https://www.spigotmc.org/members/sdir01.238854/)）
-  * 葡萄牙文(pt-br)（感謝 [Rhander](https://www.spigotmc.org/members/rhander.103119/)）
+  * 葡萄牙文(pt_BR)（感謝 [Rhander](https://www.spigotmc.org/members/rhander.103119/)）
   * 荷蘭文(nl)（感謝 [DeTrollers](https://www.spigotmc.org/members/detrollers.174265/)）
   * 西班牙文(es)（感謝 [stevejone1997](https://www.spigotmc.org/members/stevejone1997.432373/)、[C4BR3R4](https://www.spigotmc.org/members/c4br3r4.26779/)）
   * 匈牙利文(hu)（感謝 [montlikadani](https://www.spigotmc.org/members/toldi.251100/)）