Update help text for legislative list govspeak
Update help text for legislative list govspeak

alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher,alphagov/manuals-publisher,ministryofjustice/specialist-publisher,ministryofjustice/specialist-publisher,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher,alphagov/manuals-publisher,alphagov/specialist-publisher-rebuild,ministryofjustice/specialist-publisher,alphagov/manuals-publisher,ministryofjustice/specialist-publisher,alphagov/specialist-publisher