Fix typos in README #5

	name: Documentation

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v3
	- name: Cache tox
	uses: actions/cache@v3
	with:
	path: .tox
	key: tox-${{hashFiles('pyproject.toml')}}
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.9
	cache: "pip"
	cache-dependency-path: "pyproject.toml"
	- name: Install tox
	run: python -m pip install tox
	- name: Build HTML documentation with tox
	run: tox -e docs
	- name: Commit changes to gh-pages branch
	if: success() && github.event_name != 'pull_request'
	run: \|
	git clone https://github.com/UCL/dxh.git --branch gh-pages --single-branch gh-pages
	cp -r docs/_build/html/* gh-pages/
	cd gh-pages
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git add .
	git commit -m "Update documentation" -a \|\| true
	# The above command will fail if no changes were present, so we ignore
	# the return code.
	- name: Push changes to gh-pages branch
	if: success() && github.event_name != 'pull_request'
	uses: ad-m/[email protected]
	with:
	branch: gh-pages
	directory: gh-pages
	github_token: ${{ secrets.GITHUB_TOKEN }}

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