This bug was fixed in the package ubuntu-release-upgrader - 1:18.04.3
--------------- ubuntu-release-upgrader (1:18.04.3) bionic; urgency=medium
* data/release-upgrades: switch prompt from normal to LTS (LP: #1740523)
-- Brian Murray <email address hidden> Tue, 02 Jan 2018 13:46:53 -0800
This bug was fixed in the package ubuntu- release- upgrader - 1:18.04.3
--------------- release- upgrader (1:18.04.3) bionic; urgency=medium
ubuntu-
* data/release- upgrades: switch prompt from normal to LTS (LP: #1740523)
-- Brian Murray <email address hidden> Tue, 02 Jan 2018 13:46:53 -0800