Update GettingStarted.md (#3508)

just fixing a typo

## Proposed changes

[//]: # (Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request. If it fixes a bug or resolves a feature request, be sure to link to that issue.)

## Types of changes

[//]: # (What types of changes does your code introduce to WebdriverIO?)
[//]: # (_Put an `x` in the boxes that apply_)

- [ ] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

## Checklist

[//]: # (_Put an `x` in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code._)

- [x] I have read the [CONTRIBUTING](https://github.com/webdriverio/webdriverio/blob/master/CONTRIBUTING.md) doc
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] I have added necessary documentation (if appropriate)

## Further comments

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### Reviewers: @webdriverio/technical-committee

docs/GettingStarted.md

@@ -5,7 +5,7 @@ title: Getting Started
 
 Welcome to the WebdriverIO documentation. It will help you to get started fast. If you run into problems you can find help and answers on our [Gitter Channel](https://gitter.im/webdriverio/webdriverio) or you can hit me on [Twitter](https://twitter.com/webdriverio). Also, if you encounter problems in starting up the server or running the tests after following this tutorial, ensure that the server and the geckodriver are listed in your project directory. If not, re-download them per steps 2 and 3 below.
 
-> __Note:__ These are the docs for the latest version (v5.0.0) of WebdriverIO. If you are still using v4 or older please us the legacy docs website [v4.webdriver.io](http://v4.webdriver.io)!
+> __Note:__ These are the docs for the latest version (v5.0.0) of WebdriverIO. If you are still using v4 or older please use the legacy docs website [v4.webdriver.io](http://v4.webdriver.io)!
 
 The following will give you a short step by step introduction to get your first WebdriverIO script up and running.