| Index: README.md | 
| diff --git a/README.md b/README.md | 
| index 2140c07d2be8c2905d886ded63e38c849d49a76b..af78809cde278491d6a509dca251b4bca6982f9b 100644 | 
| --- a/README.md | 
| +++ b/README.md | 
| @@ -86,15 +86,19 @@ extension's Options page, open the JavaScript Console and type in: | 
| location.href = "qunit/index.html"; | 
|  | 
| The unit tests will run automatically once the page loads. | 
| -You can also run these tests with a headless Firefox process. Install the | 
| -dependencies first: | 
| +You can also run these tests with a headless Firefox or Chromium process. | 
| +Install the dependencies first: | 
|  | 
| npm install | 
|  | 
| -Start the testing process: | 
| +Start the testing process for all browsers: | 
|  | 
| npm test | 
|  | 
| +Start the testing process in one browser only: | 
| + | 
| +    npm test -- -g <gecko/chrome> | 
| + | 
| Linting | 
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