chore(highlights): Update fetchHighlights comment to explain more (#4104)
chore(highlights): Update fetchHighlights comment to explain more (#4104)


AdamHillier/activity-stream,Mardak/activity-stream,mozilla/activity-stream,mozilla/activity-streams,sarracini/activity-stream,mozilla/activity-stream,AdamHillier/activity-stream,Mardak/activity-stream,rlr/activity-streams,AdamHillier/activity-stream,mozilla/activity-stream,rlr/activity-streams,mozilla/activity-stream,rlr/activity-streams,sarracini/activity-stream,Mardak/activity-stream,sarracini/activity-stream,sarracini/activity-stream,rlr/activity-streams,AdamHillier/activity-stream,mozilla/activity-streams,Mardak/activity-stream