misc. minor fixes: typos and grammar, (c) date, pre-commit install command

[ThomasWaldmann]

Typos and grammar fixes by Junie AI, the other 2 commits by me.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.18%. Comparing base (acc76fd) to head (503b3d4).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #202   +/-   ##
=======================================
  Coverage   89.18%   89.18%           
=======================================
  Files           3        3           
  Lines         370      370           
=======================================
  Hits          330      330           
  Misses         40       40           

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[ThomasWaldmann]

@casperdcl did you forget the pre-commit docs fix?

it does not work as documented (under macOS, using zsh, the default shell).

[casperdcl]

At least on zsh, it does not work without quoting.

ah, I see