Update README.md

Author: Tim Schneeberger

README.md

@@ -129,6 +129,7 @@ If you don't know which version fits to your Linux setup, go to the [PipeWire vs
 ### Debian/Ubuntu
 Add PPA Repo
 ```bash
+sudo apt install -y curl
 curl -s --compressed "https://thepbone.github.io/PPA-Repository/KEY.gpg" | sudo apt-key add -
 sudo curl -s --compressed -o /etc/apt/sources.list.d/thepbone_ppa.list "https://thepbone.github.io/PPA-Repository/thepbone_ppa.list"
 sudo apt update