chore: Fix typo explanation for removed CSS class

[tisonkun]

• <- Keep this line and put an x between the brackts.

Description

Clarified the typo in the CSS class name explanation.

Linked Issues

N/A

Additional context

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.66%. Comparing base (4365957) to head (b8cb1f4).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1268   +/-   ##
=======================================
  Coverage   89.66%   89.66%           
=======================================
  Files          79       79           
  Lines        3512     3512           
  Branches     1007     1009    +2     
=======================================
  Hits         3149     3149           
  Misses        327      327           
  Partials       36       36           

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