docs: Fix a typo in serial bootloader entry docs #855

	name: klipper3d deploy
	on:
	schedule:
	- cron: "0 0 * * *"
	push:
	branches:
	- master
	paths:
	- docs/**
	- .github/workflows/klipper3d-deploy.yaml
	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Setup python
	uses: actions/setup-python@v4
	with:
	python-version: '3.8'
	- uses: actions/cache@v3
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('docs/_klipper3d/mkdocs-requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Install dependencies
	run: pip install -r docs/_klipper3d/mkdocs-requirements.txt
	- name: Build MkDocs Pages
	run: docs/_klipper3d/build-translations.sh
	- name: Deploy
	uses: JamesIves/[email protected]
	with:
	branch: gh-pages # The branch the action should deploy to.
	folder: site # The folder the action should deploy.

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