Can't figure out how to properly install Bumblebee?

Question

System administration

I want to install Bumblebee on my Ubuntu 16.04, and everything seems to be clear what and how they do, except for one thing. How to understand this stage (screenshot)? How to edit this file? I can’t understand what needs to be added there, it’s not written (

Here is the installation site: help.ubuntu.ru/wiki/bumblebee-xenial

Answer 1

How to edit this file?

sudo gedit /etc/bumblebee/bumblebee.conf

I can’t understand what needs to be added there, it’s not written (

Not only is it written, but the line numbers are also indicated.