minor spell fix

[turbotimon]

minor spell fix

[review-notebook-app]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.09%. Comparing base (bb24999) to head (9a4c0a9).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2601      +/-   ##
==========================================
- Coverage   94.14%   94.09%   -0.06%     
==========================================
  Files         139      139              
  Lines       14884    14884              
==========================================
- Hits        14013    14005       -8     
- Misses        871      879       +8     

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[dennisbader]

Thanks @turbotimon 🚀