Fix typo

[izeye]

This PR fixes a typo.

[codecov-commenter]

Codecov Report

Merging #1984 into release/3.x will increase coverage by 0.02%.
The diff coverage is n/a.

@@                Coverage Diff                @@
##             release/3.x    #1984      +/-   ##
=================================================
+ Coverage          85.25%   85.28%   +0.02%     
  Complexity          2601     2601              
=================================================
  Files                322      322              
  Lines               7510     7510              
  Branches             898      898              
=================================================
+ Hits                6403     6405       +2     
  Misses               869      869              
+ Partials             238      236       -2     

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/org/mockito/AdditionalAnswers.java	95.00% <ø> (ø)	19.00 <0.00> (ø)
...to/internal/util/concurrent/WeakConcurrentMap.java	41.48% <0.00%> (+2.12%)	11.00% <0.00%> (ø%)

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[TimvdLippe]

Thanks!