Fix typo in README.md

[smburdick]

Description

---

License

• I license this contribution under the terms of the GNU GPL, version 3 and grant Unitary Fund the right to provide additional permissions as described in section 7 of the GNU GPL, version 3.

Before opening the PR, please ensure you have completed the following where appropriate.

• I added unit tests for new code.
• I used type hints in function signatures.
• I used Google-style docstrings for functions.
• I updated the documentation where relevant.
• Added myself / the copyright holder to the AUTHORS file

[github-actions]

Hello @smburdick, thank you for submitting a PR to Mitiq! We will respond as soon as possible, and if you have any questions in the meantime, you can ask us on the Unitary Fund Discord.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (81b3f78) 98.26% compared to head (bf4ce41) 98.26%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2173   +/-   ##
=======================================
  Coverage   98.26%   98.26%           
=======================================
  Files          88       88           
  Lines        4146     4146           
=======================================
  Hits         4074     4074           
  Misses         72       72           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[natestemen]

Thanks Sam!