[skip ci] fix typo in docs

Author: HugoDF

README.md

@@ -1,5 +1,7 @@
 # Node Test Runner Examples
 
+Examples are ported to `node:test` and `node:assert` from [jest-handbook-examples](https://github.com/HugoDF/jest-handbook-examples) (which is using Jest).
+
 ## Requirements
 
 - Node LTS
@@ -13,7 +15,7 @@
 ## npm scripts
 
 - `npm run test` will run the core test suite
-- `npm run test:all` will all the test commands
+- `npm run test:all` will run all the test commands
 - `npm run test:seq` will run the core test suite with 1 concurrency
 - `npm run test:par` will run the core test suite with 5 concurrency
 - `npm run test:only` will run the `.only.js` test suite (demonstrating how to use `.only`)