File: [engine/installation/linux/debian.md](https://docs.docker.com/engine/installation/linux/debian/) The command for adding **Docker’s official GPG key** should be $ **curl -s http://yum.dockerproject.org/gpg | sudo apt-key add -**
File: engine/installation/linux/debian.md
The command for adding Docker’s official GPG key should be $ curl -s http://yum.dockerproject.org/gpg | sudo apt-key add -