cscs
8
Nothing new. 
No you did not.
Give a look to your packages with something like;
pacman -Qqs brave
and you will see the real package name.
PS.
The history command can also be helpful when we want to look back at our previous commands. ex;
history | grep pacman
PPS.
If you did perform a partial upgrade, such as by following the previous script, then perform a full sync/refresh/upgrade to ameliorate the situation;
sudo pacman -Syu