chore: fix typo in README

[mgrachev]

✔ Checklist:

• [x] Commit messages have been written in Conventional Commits format;
• [ ] Tests for the changes have been added (for bug fixes / features).

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (df0f931) 93.98% compared to head (aa2c81e) 93.98%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #112 +/- ## ======================================= Coverage 93.98% 93.98% ======================================= Files 13 13 Lines 648 648 ======================================= Hits 609 609 Misses 39 39 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Do you have feedback about the report comment? Let us know in this issue.