The columns could be labelled "Approve" and "Cleanup". That would require the items that actually are going to delete a file to begin with the word "Remove" (e.g. "Remove obsolete /etc/apt/apt.conf.d/10periodic-dpkg.old"), to distinguish them from the non-deleting items (e.g. "Set /home to update file access times less often").
The columns could be labelled "Approve" and "Cleanup". That would require the items that actually are going to delete a file to begin with the word "Remove" (e.g. "Remove obsolete /etc/apt/ apt.conf. d/10periodic- dpkg.old" ), to distinguish them from the non-deleting items (e.g. "Set /home to update file access times less often").