Docs

fix typos #925

	name: Docs

	on: [push, pull_request]

	jobs:
	docs:
	runs-on: ubuntu-latest
	name: docs
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- run: python -m pip install -r docs/requirements.txt
	- name: Build docs
	run: \|
	cd docs
	sphinx-build -W -b html -d build/doctrees . build/html

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