[x] My contributions and commit messages follows the style guidelines of this project
[x] I have made corresponding changes to the documentation
[x] New and existing unit tests pass locally with my changes
[x] The Pull Request has an informative and human-readable title
[x] Changes are limited to a single goal (avoid scope creep)
[x] Code can be automatically merged (no conflicts)
[x] I confirm that I have read any Contribution guidelines (CONTRIBUTING)
[x] I confirm that I wrote and/or have the right to submit the contents of my PR, by agreeing to the Developer Certificate of Origin, by adding a 'sign-off' to my commits
Description
Fix typo know -> known
Checklist