After I typed and executed the following command line, two errors occrued, can anyone tell me the reason and solutions? I'm using ubuntu 20.04. Thanks !
sudo add-apt-repository 'deb https://dl.winehq.org/wine-builds/ubuntu/ focal main'
errors:
E: Malformed entry 58 in list file /etc/apt/sources.list (Component)
E: The list of sources could not be read.
