Fix a typo in the about command

[peterfox]

Changes In Code

• changes the about command output.

Issue ticket number / Business Case

Removes a weird typo.

Checklist before requesting a review

• I have written PHPUnit tests.
• I have updated the documentation and opened a pull request within
  the feature flags documentation repo.
• I have checked code styles, PHPStan etc. pass.
• I have provided an issue/business case.
• I have added the enhancement label for a new feature.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7646bea) 83.09% compared to head (613b548) 83.09%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #63   +/-   ##
=========================================
  Coverage     83.09%   83.09%           
  Complexity      202      202           
=========================================
  Files            31       31           
  Lines           556      556           
=========================================
  Hits            462      462           
  Misses           94       94           

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