diff --git a/docs/languages.md b/docs/languages.md
index 20aafc7c8..749a00a49 100644
--- a/docs/languages.md
+++ b/docs/languages.md
@@ -134,7 +134,7 @@ export type Lang =
   | 'jssm' | 'fsl'
   | 'jsx'
   | 'julia'
-  | 'kotlin'
+  | 'kotlin' | 'kt' | 'kts'
   | 'kusto' | 'kql'
   | 'latex'
   | 'less'
diff --git a/packages/shiki/src/languages.ts b/packages/shiki/src/languages.ts
index 4fb4927e7..501e9d701 100644
--- a/packages/shiki/src/languages.ts
+++ b/packages/shiki/src/languages.ts
@@ -375,6 +375,7 @@ export const languages: ILanguageRegistration[] = [
     path: 'cpp.tmLanguage.json',
     displayName: 'C++',
     samplePath: 'cpp.sample',
+    aliases: ['c++'],
     embeddedLangs: ['glsl', 'sql']
   },
   {