Update README.md

Author: cspotcode

README.md

@@ -226,7 +226,7 @@ Any error that is not a `TSError` is from node.js (e.g. `SyntaxError`), and cann
 
 There are two options when using `import` statements: compile them to CommonJS or use node's native ESM support.
 
-To compile to CommonJS, you must set `"module": "commonjs"` in your `tsconfig.json`.
+To compile to CommonJS, you must set `"module": "CommonJS"` in your `tsconfig.json` or compiler options.
 
 Node's native ESM support is currently experimental and so is `ts-node`'s ESM loader hook.  For usage, limitations, and to provide feedback, see [#1007](https://github.com/TypeStrong/ts-node/issues/1007).