Fix lombok config example more correctly on README

[kjim]

This is just fix more precise the example of lombok configuration described in README.

[CLAassistant]

All committers have signed the CLA.

[msridhar]

Thanks for the fix!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (3fc9b8a) 86.98% compared to head (3c3255c) 87.07%.
Report is 7 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #911      +/-   ##
============================================
+ Coverage     86.98%   87.07%   +0.09%     
- Complexity     1959     1989      +30     
============================================
  Files            77       77              
  Lines          6330     6423      +93     
  Branches       1223     1244      +21     
============================================
+ Hits           5506     5593      +87     
- Misses          420      422       +2     
- Partials        404      408       +4     

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