Update README.md

[eltociear]

Pull Request type

• [ ] Bugfix
• [ ] Feature
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] WHOSUSING.md
• [x] Other (please describe): document update

NOTE: Please remember to run ./gradlew spotlessApply to fix any format violations.

Changes in this PR

againt -> against

Alternatives considered

Describe alternative implementation you have considered