Follow up to getErrorMessage() fix

Should have looked closer at Ifea6bdce023edc36e1e810f46eca08e201cb3950 -
errorMessage is a wfMessage() itself, so should prepend line break,
plus make bulletpoints with an astrtix.

Change-Id: Ie21e87497924fc095e84fd1dd49e41012a4eb188
Merge "Follow up to getErrorMessage() fix"