fix: typo in error message

[jdx]

#151

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.25%. Comparing base (67c1783) to head (f33dcb3).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #152   +/-   ##
=======================================
  Coverage   96.25%   96.25%           
=======================================
  Files          80       80           
  Lines        3395     3395           
=======================================
  Hits         3268     3268           
  Misses        127      127           

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[gibbz00]

Awesome, thanks!

CI has a dedicated spell-check job using typos.

I've now made sure to also report this upstream :)

crate-ci/typos#1156 (comment)