Merge pull request #55333 from p8/guides/notifications-naming

[p8]

Fix typo in Getting Started guide [ci skip]

Motivation / Background

This Pull Request has been created because [REPLACE ME]

Detail

This Pull Request changes [REPLACE ME]

Additional information

Checklist

Before submitting the PR make sure the following are checked:

• This Pull Request is related to one change. Unrelated changes should be opened in separate PRs.
• Commit message has a detailed description of what changed and why. If this PR fixes a related issue include it in the commit message. Ex: [Fix #issue-number]
• Tests are added or updated if you fix a bug or add a feature.
• CHANGELOG files are updated for the changed libraries if there is a behavior change or additional feature. Minor bug fixes and documentation changes should not be included.