This is a follow-up on #1055 / #1112
With the new login page layouts, the authentication instructions (from the Moodle core setting auth_instructions) are still presented within the self registration method.
However, if the layout is changed to tabs or to the accordion, these instructions may not be shown anymore directly after the page load.
Against this background, it may be worthwhile to add dedicated Boost Union login page instructions which are always shown.
Possible presentation options could be: