Fix typo in footnote in ex 30 #3

	name: Deploy PDF

	on:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Install LaTeX
	run: \|
	sudo apt-get update
	sudo apt-get install -y texlive-full

	- name: Compile LaTeX to PDF
	run: make

	- name: Clone niclaurenti.github.io
	uses: actions/checkout@v2
	with:
	repository: niclaurenti/niclaurenti.github.io
	token: ${{ secrets.NICLAURENTI_TOKEN }}
	path: niclaurenti.github.io

	- name: Copy main.pdf
	run: \|
	cp main.pdf niclaurenti.github.io/files/qft_exercises.pdf

	- name: Commit and Push Changes
	run: \|
	cd niclaurenti.github.io
	git config user.email "[email protected]"
	git config user.name "niclaurenti"
	git add files/qft_exercises.pdf
	git commit -m "Automated update of qft_exercises.pdf: ${{ github.event.head_commit.message }}"
	git push

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