Error in command

Hi, you're having an error with the one-line installation. apt-get update && apt upgrade-y && apt-get install git -y && git clone https://github.com/adarshaddee/root.git It should be written like this: apt-get update && apt  **_upgrade -y_** && apt-get install git -y && git clone https://github.com/adarshaddee/root.git

Greetings 
Burschii