doc: Display this online help manual
Hi, I think "Display this online help manual" strings a bit out-of-date.
Geary have a built-in, mallard based, manual. Online string seems a bit misleading. User can use the manual without any connection.
Line: https://gitlab.gnome.org/GNOME/geary/-/blob/main/help/C/shortcuts.page#L24
Edited by Ghost User