Fix minor mistakes

[adams85]

Describe the purpose of your pull request

Corrects a few minor mistakes.

Requirement checklist (only if applicable)

• I have covered the applied changes with automated tests.
• I have executed the full automated test set against my changes.
• I have validated my changes against all supported platform versions.
• I have read and accepted the contribution agreement.

[codecov]

Codecov Report

Patch coverage: 81.81% and project coverage change: -0.27% ⚠️

Comparison is base (24a36ab) 92.24% compared to head (c60b954) 91.97%.

❗ Current head c60b954 differs from pull request most recent head 99a0804. Consider uploading reports for the commit 99a0804 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #89      +/-   ##
==========================================
- Coverage   92.24%   91.97%   -0.27%     
==========================================
  Files          18       18              
  Lines        1496     1496              
  Branches      380      378       -2     
==========================================
- Hits         1380     1376       -4     
- Misses        115      119       +4     
  Partials        1        1              

Files Changed	Coverage Δ
src/ProjectConfig.ts	97.24% <ø> (ø)
src/ConfigCatClient.ts	89.37% <81.81%> (-1.47%)	⬇️

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication