is there any difference between this commands to install webpack? "npm install webpack webpack-cli --save-dev" & "npm install -D webpack webpack-cli "

Question

Hello everyone I´m learning about webpack and i saw this two ways to install it, I was wondering if there is any difference between this two ways:

this one is from webpack documentation

"npm install webpack webpack-cli --save-dev"

And this other I just saw it in a youtube tutorial

"npm install -D webpack webpack-cli "

thanks for your help and if there is any difference pleace let me know which is the best of both.