Update README.md to fix "update setting" section

[cabsil22]

---

name: Pull request about: Submit a pull request for this project assignees: fabiocaccamo

---

Describe your changes Update readme to have working instructions on updating setting values.

Related issue #162

Checklist before requesting a review

• [ ] I have performed a self-review of my code.
• [ ] I have added tests for the proposed changes.
• [ ] I have run the tests and there are not errors.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 85.41%. Comparing base (ca8b157) to head (743ca0b).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #163   +/-   ##
=======================================
  Coverage   85.41%   85.41%           
=======================================
  Files          21       21           
  Lines         432      432           
=======================================
  Hits          369      369           
  Misses         63       63           

Flag	Coverage Δ
unittests	85.41% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.