Merge pull request #498 from krzysztof-grzybek/baseline-files-update-docs

Baseline files update - docs

Author: mhegazy

README.md

@@ -45,7 +45,7 @@ The common steps to send a pull request are:
 1. Add missing elements to `inputfiles/addedTypes.json`, overriding elements to `inputfiles/overridingTypes.json`, or elements to remove to `inputfiles/removedTypes.json`.
 2. Run the build script locally to obtain new `dom.generated.d.ts` and `webworker.generated.d.ts`.
 3. Update the files in the `baselines` folder using the newly generated files
-   under `generated` folder (`cp ./generated/* ./baselines/`).
+   under `generated` folder (`npm run baseline-accept`).
 
 ### When should a DOM API be included here?