cannot find "lutris" ubuntu code example

Example: install lutris kali linux

# For Debian
echo "deb http://download.opensuse.org/repositories/home:/strycore/Debian_10/ ./" | sudo tee /etc/apt/sources.list.d/lutris.list
wget -q https://download.opensuse.org/repositories/home:/strycore/Debian_10/Release.key -O- | sudo apt-key add -

# For Ubuntu, Elementary & POP_OS
sudo add-apt-repository ppa:lutris-team/lutris

sudo apt-get update
sudo apt-get install lutris