diff --git a/src/data/dialogue.ts b/src/data/dialogue.ts
index ec9fde7eb92..830b5f43775 100644
--- a/src/data/dialogue.ts
+++ b/src/data/dialogue.ts
@@ -1920,7 +1920,8 @@ export const trainerTypeDialogue = {
   },
   [TrainerType.WULFRIC]: {
     encounter: [
-      `You know what? We all talk big about what you learn from battling and bonds and all that, but really, I just do it 'cause it's fun. 
+      `You know what? We all talk big about what you learn from battling and bonds and all that…
+      $But really, I just do it 'cause it's fun. 
       $Who cares about the grandstanding? Let's get to battling!`,
     ],
     victory: [
diff --git a/src/locales/chs/ability.ts b/src/locales/zh_CN/ability.ts
similarity index 100%
rename from src/locales/chs/ability.ts
rename to src/locales/zh_CN/ability.ts
diff --git a/src/locales/chs/battle.ts b/src/locales/zh_CN/battle.ts
similarity index 100%
rename from src/locales/chs/battle.ts
rename to src/locales/zh_CN/battle.ts
diff --git a/src/locales/chs/command-ui-handler.ts b/src/locales/zh_CN/command-ui-handler.ts
similarity index 100%
rename from src/locales/chs/command-ui-handler.ts
rename to src/locales/zh_CN/command-ui-handler.ts
diff --git a/src/locales/chs/config.ts b/src/locales/zh_CN/config.ts
similarity index 96%
rename from src/locales/chs/config.ts
rename to src/locales/zh_CN/config.ts
index 6dad0530455..0d0f1ea5a4c 100644
--- a/src/locales/chs/config.ts
+++ b/src/locales/zh_CN/config.ts
@@ -12,7 +12,7 @@ import { starterSelectUiHandler } from "./starter-select-ui-handler";
 import { tutorial } from "./tutorial";
 
 
-export const chsConfig = {
+export const zhCnConfig = {
     ability: ability,
     battle: battle,
     commandUiHandler: commandUiHandler,
diff --git a/src/locales/chs/fight-ui-handler.ts b/src/locales/zh_CN/fight-ui-handler.ts
similarity index 100%
rename from src/locales/chs/fight-ui-handler.ts
rename to src/locales/zh_CN/fight-ui-handler.ts
diff --git a/src/locales/chs/menu-ui-handler.ts b/src/locales/zh_CN/menu-ui-handler.ts
similarity index 100%
rename from src/locales/chs/menu-ui-handler.ts
rename to src/locales/zh_CN/menu-ui-handler.ts
diff --git a/src/locales/chs/menu.ts b/src/locales/zh_CN/menu.ts
similarity index 100%
rename from src/locales/chs/menu.ts
rename to src/locales/zh_CN/menu.ts
diff --git a/src/locales/chs/move.ts b/src/locales/zh_CN/move.ts
similarity index 100%
rename from src/locales/chs/move.ts
rename to src/locales/zh_CN/move.ts
diff --git a/src/locales/chs/pokeball.ts b/src/locales/zh_CN/pokeball.ts
similarity index 100%
rename from src/locales/chs/pokeball.ts
rename to src/locales/zh_CN/pokeball.ts
diff --git a/src/locales/chs/pokemon-stat.ts b/src/locales/zh_CN/pokemon-stat.ts
similarity index 100%
rename from src/locales/chs/pokemon-stat.ts
rename to src/locales/zh_CN/pokemon-stat.ts
diff --git a/src/locales/chs/pokemon.ts b/src/locales/zh_CN/pokemon.ts
similarity index 100%
rename from src/locales/chs/pokemon.ts
rename to src/locales/zh_CN/pokemon.ts
diff --git a/src/locales/chs/starter-select-ui-handler.ts b/src/locales/zh_CN/starter-select-ui-handler.ts
similarity index 100%
rename from src/locales/chs/starter-select-ui-handler.ts
rename to src/locales/zh_CN/starter-select-ui-handler.ts
diff --git a/src/locales/chs/tutorial.ts b/src/locales/zh_CN/tutorial.ts
similarity index 100%
rename from src/locales/chs/tutorial.ts
rename to src/locales/zh_CN/tutorial.ts
diff --git a/src/plugins/i18n.ts b/src/plugins/i18n.ts
index 6b97f6d6b19..91006979b2d 100644
--- a/src/plugins/i18n.ts
+++ b/src/plugins/i18n.ts
@@ -6,7 +6,7 @@ import { enConfig } from '#app/locales/en/config.js';
 import { esConfig } from '#app/locales/es/config.js';
 import { frConfig } from '#app/locales/fr/config.js';
 import { itConfig } from '#app/locales/it/config.js';
-import { chsConfig } from '#app/locales/chs/config.js';
+import { zhCnConfig } from '#app/locales/zh_CN/config.js';
 
 export interface SimpleTranslationEntries {
   [key: string]: string
@@ -59,7 +59,7 @@ export function initI18n(): void {
   i18next.use(LanguageDetector).init({
     lng: lang,
     fallbackLng: 'en',
-    supportedLngs: ['en', 'es', 'fr', 'it', 'de', 'chs'],
+    supportedLngs: ['en', 'es', 'fr', 'it', 'de', 'zh_CN'],
     debug: true,
     interpolation: {
       escapeValue: false,
@@ -80,8 +80,8 @@ export function initI18n(): void {
       de: {
         ...deConfig
       },
-      chs: {
-        ...chsConfig
+      zh_CN: {
+        ...zhCnConfig
       }
     },
   });
diff --git a/src/system/settings.ts b/src/system/settings.ts
index 1962a96cb09..ac4407c030d 100644
--- a/src/system/settings.ts
+++ b/src/system/settings.ts
@@ -199,8 +199,8 @@ export function setSetting(scene: BattleScene, setting: Setting, value: integer)
                 handler: () => changeLocaleHandler('de')
               },
               {
-                label: 'Simplified  Chinese',
-                handler: () => changeLocaleHandler('chs')
+                label: '简体中文',
+                handler: () => changeLocaleHandler('zh_CN')
               },
               {
                 label: 'Cancel',