fix spelling mistakes

[squell]

There was some typo's that caught my eye, so I ran aspell over the terms and conditions.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.02%. Comparing base (08a2f35) to head (346c3d9).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #406   +/-   ##
=======================================
  Coverage   72.02%   72.02%           
=======================================
  Files          57       57           
  Lines       13025    13025           
=======================================
  Hits         9381     9381           
  Misses       3644     3644           

Flag	Coverage Δ
beta	72.19% <ø> (ø)
fuzz	60.91% <ø> (+0.11%)	⬆️
fuzz-client_request	35.82% <ø> (+0.46%)	⬆️
fuzz-key_exchange_response	41.30% <ø> (+0.46%)	⬆️
fuzz-record	35.93% <ø> (ø)
fuzz-server_information_response	24.97% <ø> (ø)
msrv	71.89% <ø> (-0.04%)	⬇️
stable	72.25% <ø> (+0.02%)	⬆️
test	71.96% <ø> (ø)
x86_64-unknown-linux-gnu	71.95% <ø> (ø)
x86_64-unknown-linux-musl	72.22% <ø> (ø)

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