Fix typo in example rule #80

# to view logs

	name: Python tests

	permissions:
	contents: read

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

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: "3.8"
	- name: Install system dependencies
	run: \|
	sudo apt install -y build-essential libpoppler-cpp-dev pkg-config python3-dev

	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Test building documentation
	run: \|
	cd docs
	make html
	- name: Check code style
	run: \|
	flake8 yaramail
	- name: Test building packages
	run: hatch build
	- name: Test rules
	run: python3 -m yaramail._cli -to test/samples --rules test

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