Fix typo in changelog

[EtiennePelletier]

Found a minor typo in the changelog. Ref: #286

[codecov[bot]]

Codecov Report

Merging #371 (322357d) into master (88497ce) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #371   +/-   ##
=======================================
  Coverage   96.86%   96.86%           
=======================================
  Files          20       20           
  Lines        2741     2741           
=======================================
  Hits         2655     2655           
  Misses         86       86           

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