fix-typo

[kexianjun]

Describe what this PR does / why we need it

fix typo

Does this pull request fix one issue?

Describe how you did it

Describe how to verify it

Special notes for reviews

[codecov-io]

Codecov Report

Merging #700 into master will decrease coverage by 0.04%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             master    #700      +/-   ##
===========================================
- Coverage     41.45%   41.4%   -0.05%     
+ Complexity     1330    1329       -1     
===========================================
  Files           288     288              
  Lines          8540    8540              
  Branches       1161    1161              
===========================================
- Hits           3540    3536       -4     
- Misses         4559    4562       +3     
- Partials        441     442       +1

Impacted Files	Coverage Δ	Complexity Δ
...tinel/slots/block/flow/param/ParamFlowChecker.java	52.7% <0%> (-2.71%)	28% <0%> (-1%)

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[sczyh30]

LGTM

[sczyh30]

Thanks!