diff --git a/docs/Configuration.md b/docs/Configuration.md index ac079a52833b..12751263185b 100644 --- a/docs/Configuration.md +++ b/docs/Configuration.md @@ -923,7 +923,7 @@ A map from regular expressions to paths to transformers. A transformer is a modu Examples of such compilers include [Babel](https://babeljs.io/), [TypeScript](http://www.typescriptlang.org/) and [async-to-gen](http://github.com/leebyron/async-to-gen#jest). -You can pass configuration to a like `{filePattern: ['path-to-transformer', {options}]}` +You can pass configuration to a transformer like `{filePattern: ['path-to-transformer', {options}]}` _Note: a transformer is only run once per file unless the file has changed. During development of a transformer it can be useful to run Jest with `--no-cache` to frequently [delete Jest's cache](Troubleshooting.md#caching-issues)._