Yeh - hyphen are superfluous.
I’m old… Reckon I have been secretly doing the dd on my own head… Or too much powershell in the day job.
Eta: the hyphens are there to stop the unwise copypastaing the code and trashing their system - that’s my other excuse and I am sticking to it!
Forced to upload a picture is because you chose the wrong post type.
I got caught by that when I started using Voyager.