fix: correct small typos

[SJrX]

I noticed "reponse code" in an error, so here is an MR where I ran a typo check over the project. Thank you.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #133   +/-   ##
=======================================
  Coverage        ?   99.74%           
=======================================
  Files           ?       29           
  Lines           ?     3163           
  Branches        ?        0           
=======================================
  Hits            ?     3155           
  Misses          ?        8           
  Partials        ?        0           

Flag	Coverage Δ
unittests	99.74% <100.00%> (?)

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[daveshanley]

thank you!