Fix typos (found by `typos` and `codespell`) and improve help text #4

	# Simple CI test for ocrd_froc.

	name: CI tests

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	jobs:
	build:

	runs-on: ${{ matrix.os }}

	strategy:
	fail-fast: false
	matrix:
	python-version:
	# - '3.7'
	- '3.8'
	- '3.9'
	# - '3.10'
	# - '3.11'
	os:
	- ubuntu-22.04
	# - macos-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install and test
	run: \|
	# Install and test.
	set -x
	python3 -m venv venv
	source venv/bin/activate
	pip install -U pip setuptools wheel
	pip install -r requirements.txt
	pip install .
	ocrd-froc-recognize --help

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