I've got a notification about the project specification update. It has link to old Specification tab https://connect.topcoder.com/projects/7306/specification in the project which only has new Scope tab.
So the link for this case expected to be https://connect.topcoder.com/projects/7306/scope instead.

Note, that for old projects with the Specification tab, this link still should stay as /specification.
fyi @RishiRajSahu