Please fill in this template.

- [ ] Prefer to make your PR against the `master` branch.
- [ ] Use a meaningful title for the pull request. Include the name of the package modified.
- [ ] Test the change in your own code.
- [ ] Follow the advice from the [readme](https://github.com/DefinitelyTyped/DefinitelyTyped#make-a-pull-request).
- [ ] Avoid [common mistakes](https://github.com/DefinitelyTyped/DefinitelyTyped#common-mistakes).
- [ ] Run `npm run lint -- package-name` if a `tslint.json` is present.

If adding a new definition:
- [ ] The package does not provide its own types, and you can not add them.
- [ ] If this is for an NPM package, match the name. If not, do not conflict with the name of an NPM package.
- [ ] Run `tsc` without errors.
- [ ] Include the required [files](https://github.com/DefinitelyTyped/DefinitelyTyped#create-a-new-package) and header. Base these on the README, *not* on an existing project.

If changing an existing definition:
- [ ] Provide a URL to documentation or source code which provides context for the suggested changes: <<url here>>
- [ ] Increase the version number in the header if appropriate.

Please fill in this template.

- [ ] Make your PR against the `master` branch.
- [ ] Use a meaningful title for the pull request. Include the name of the package modified.
- [ ] Test the change in your own code.
- [ ] Follow the advice from the [readme](https://github.com/DefinitelyTyped/DefinitelyTyped#make-a-pull-request).
- [ ] Avoid [common mistakes](https://github.com/DefinitelyTyped/DefinitelyTyped#common-mistakes).
- [ ] Run `npm run lint -- package-name` if a `tslint.json` is present.

If adding a new definition:
- [ ] The package does not provide its own types, and you can not add them.
- [ ] If this is for an NPM package, match the name. If not, do not conflict with the name of an NPM package.
- [ ] Run `tsc` without errors.
- [ ] Include the required [files](https://github.com/DefinitelyTyped/DefinitelyTyped#create-a-new-package) and header. Base these on the README, *not* on an existing project.

If changing an existing definition:
- [ ] Provide a URL to documentation or source code which provides context for the suggested changes: <<url here>>
- [ ] Increase the version number in the header if appropriate.

Remove 'prefer to'. We really do want PRs to target master.
Remove 'prefer to'. We really do want PRs to target master.
