[tde-users] Re: upgrade question

greets, folks . . . i'm about to upgrade my ubuntu 18.04 to 20.04 and, as has been my (mostly successful) practice, this involves changing the sources lists, in this case "bionic" to "focal" and running the usual update-upgrade routine. all seems to be going well but for this: N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://mirror.ppa.trinitydesktop.org/trinity/trinity-r14.0.0/ubuntu focal InRelease' doesn't support architecture 'i386' N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://mirror.ppa.trinitydesktop.org/trinity/trinity-builddeps-r14.0.0/ ubuntu focal InRelease' doesn't support architecture 'i386' going back over my sources files yet again, i see no reference to architecture at all, never mind i386. before i pull the trigger i want to figure out what this is and whether it will break things -- i know far quicker ways of breaking things, if that were what i wanted to do, which it isn't. -- dep