Fixed typo in API docs

[tomasruud]

No description provided.

[codecov]

Codecov Report

Merging #1112 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1112   +/-   ##
=======================================
  Coverage   99.73%   99.73%           
=======================================
  Files           5        5           
  Lines         371      371           
=======================================
  Hits          370      370           
  Misses          1        1

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