To install the Brave browser I followed the instructions from https://github.com/brave/browser-laptop/blob/master/docs/linuxInstall.md
curl https://s3-us-west-2.amazonaws.com/brave-apt/keys.asc | sudo apt-key add -
echo "deb [arch=amd64] https://s3-us-west-2.amazonaws.com/brave-apt `lsb_release -sc` main" | sudo tee -a /etc/apt/sources.list.d/brave-`lsb_release -sc`.list
but when I run sudo apt update i get the errors
Hit:1 http://br.archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://br.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:3 http://br.archive.ubuntu.com/ubuntu xenial-backports InRelease
Hit:4 http://packages.elementary.io/appcenter xenial InRelease
Get:5 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Hit:6 http://ppa.launchpad.net/elementary-os/stable/ubuntu xenial InRelease
Hit:7 http://ppa.launchpad.net/elementary-os/os-patches/ubuntu xenial InRelease
Ign:8 https://s3-us-west-2.amazonaws.com/brave-apt loki InRelease
Err:9 https://s3-us-west-2.amazonaws.com/brave-apt loki Release
403 Forbidden
Reading package lists... Done
E: The repository 'https://s3-us-west-2.amazonaws.com/brave-apt loki Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.