Thanks for your report!
It's kind of embarrassing, but I think you are correct.
Since the page is from upstream GNOME Help, I have asked for help with figuring out to which extent it's due to differences between Ubuntu and vanilla GNOME:
https://mail.gnome.org/archives/gnome-doc-list/2018-July/msg00000.html
I suspect that at least item 1. may be due to such a difference.
Thanks for your report!
It's kind of embarrassing, but I think you are correct.
Since the page is from upstream GNOME Help, I have asked for help with figuring out to which extent it's due to differences between Ubuntu and vanilla GNOME:
https:/ /mail.gnome. org/archives/ gnome-doc- list/2018- July/msg00000. html
I suspect that at least item 1. may be due to such a difference.