[docs] README.md typos

[VinayKokate22]

🔬 Background

• Why is this change needed? Is there a related issue or a new feature to be added?

🔮 Key changes

• Explain the main changes introduced by this pull request for the reviewer.
  To make readme better by Removed Grammatical errors.

📋 Review Checklist

• I have performed a self-review of my own code.
• I have commented my code, added docstrings and data types to function definitions.
• I have added pytests to check whether my feature / fix works.

Please make sure to follow our best practices in the Contributing guidelines.

[codecov]

Codecov Report

Merging #1472 (2cf2699) into main (f08dcf8) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1472   +/-   ##
=======================================
  Coverage   88.32%   88.32%           
=======================================
  Files          38       38           
  Lines        5097     5097           
=======================================
  Hits         4502     4502           
  Misses        595      595           

[leoniewgnr]

Very nice, thank you!