docs: Typo in README.md

[cuttlefish]

Related issue

N/A

Proposed changes

Corrects a typo in README.md

Checklist

• I have read the contributing guidelines
• I have read the security policy
• I confirm that this pull request does not address a security vulnerability. If this pull request addresses a security
  vulnerability, I confirm that I got green light (please contact [email protected]) from the maintainers to push the changes.
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation within the code base (if appropriate)
• I have documented my changes in the developer guide (if appropriate)

Further comments

N/A

[claassistantio]

All committers have signed the CLA.

[aeneasr]

thank you!