Ahh yes ok…
BTW the info the last replier posted in that link is not actually correct:
Since everything is installed by a package manager from a trusted source (packages are signed and have checksums like secure boot does), malicious code is not a problem…
SB does prevent external drivers from being loaded by the Linux-kernel, those drivers could be injected on the users system outside of the package manager 
Anyhow that’s off-topic in this case because Arch/Manjaro doesn’t use it yet…