diff --git a/changelogs/CHANGELOG-3.0.md b/changelogs/CHANGELOG-3.0.md
index 50b152dc2..16483767f 100644
--- a/changelogs/CHANGELOG-3.0.md
+++ b/changelogs/CHANGELOG-3.0.md
@@ -773,7 +773,7 @@ may cause build issues in projects still using TS 3.x.
 - **types:** adjust type exports for manual render function and tooling usage ([e4dc03a](https://github.com/vuejs/core/commit/e4dc03a8b17d5e9f167de6a62a645878ac7ef3e2)), closes [#1329](https://github.com/vuejs/core/issues/1329)
 - **types:** mixins/extends support in TypeScript ([#626](https://github.com/vuejs/core/issues/626)) ([d3c436a](https://github.com/vuejs/core/commit/d3c436ae2e66b75b7f2ed574dadda3f0e1fdce73))
 - **types:** support typing directive value via generic argument ([#1007](https://github.com/vuejs/core/issues/1007)) ([419b86d](https://github.com/vuejs/core/commit/419b86d1908f2a0521e6a7eafcbee764e9ee59a0)), closes [#998](https://github.com/vuejs/core/issues/998)
-- **types:** update to Typescript 3.9 ([#1106](https://github.com/vuejs/core/issues/1106)) ([97dedeb](https://github.com/vuejs/core/commit/97dedebd8097116a16209664a1ca38392b964da3))
+- **types:** update to TypeScript 3.9 ([#1106](https://github.com/vuejs/core/issues/1106)) ([97dedeb](https://github.com/vuejs/core/commit/97dedebd8097116a16209664a1ca38392b964da3))
 
 ### Performance Improvements
 
diff --git a/packages/compiler-core/__tests__/transforms/vOn.spec.ts b/packages/compiler-core/__tests__/transforms/vOn.spec.ts
index 9f5e00948..568fa0b5a 100644
--- a/packages/compiler-core/__tests__/transforms/vOn.spec.ts
+++ b/packages/compiler-core/__tests__/transforms/vOn.spec.ts
@@ -271,7 +271,7 @@ describe('compiler: transform v-on', () => {
     })
   })
 
-  test('should NOT wrap as function if expression is already function expression (with Typescript)', () => {
+  test('should NOT wrap as function if expression is already function expression (with TypeScript)', () => {
     const { node } = parseWithVOn(`<div @click="(e: any): any => foo(e)"/>`)
     expect((node.codegenNode as VNodeCall).props).toMatchObject({
       properties: [
diff --git a/packages/dts-test/README.md b/packages/dts-test/README.md
index 197005a56..6f1b1da1d 100644
--- a/packages/dts-test/README.md
+++ b/packages/dts-test/README.md
@@ -1,6 +1,6 @@
 # dts-test
 
-Tests Typescript types to ensure the types remain as expected.
+Tests TypeScript types to ensure the types remain as expected.
 
 - This directory is included in the root `tsconfig.json`, where package imports are aliased to `src` directories, so in IDEs and the `pnpm check` script the types are validated against source code.