docs(readme): fix configuration section

[mkroening]

Closes #837.

This was introduced in 0384c1d.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.85%. Comparing base (16315dc) to head (551e5ea).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #838   +/-   ##
=======================================
  Coverage   71.85%   71.85%           
=======================================
  Files          23       23           
  Lines        3063     3063           
=======================================
  Hits         2201     2201           
  Misses        862      862           

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[n0toose]

Hesitantly using the Code Review functionality to express that I find this change to be a considerable improvement that fixes the underlying issue. :)

[jounathaen]

👍