docs(expect): correct `expect()` docs

[iuioiua]

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.25%. Comparing base (a81742a) to head (cf1f6ff). Report is 16 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5788      +/-   ##
==========================================
- Coverage   96.26%   96.25%   -0.01%     
==========================================
  Files         481      481              
  Lines       38738    38738              
  Branches     5615     5615              
==========================================
- Hits        37291    37288       -3     
- Misses       1406     1409       +3     
  Partials       41       41              

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