diff --git a/migrations/023.garden_buildings.down.sql b/migrations/023.garden_buildings.down.sql
index 8e23b73d..6ffb1ba5 100644
--- a/migrations/023.garden_buildings.down.sql
+++ b/migrations/023.garden_buildings.down.sql
@@ -1,2 +1,3 @@
+-- note that you need to somehow reclassify such buildings, if present - before downgrading
 DELETE FROM reference_tables.landuse_classifications WHERE landuse_id = 'U071X';
 DELETE FROM reference_tables.buildings_landuse_group WHERE landuse_id = 'U071X';
diff --git a/migrations/024.unclassified_buildings.up.sql b/migrations/024.unclassified_buildings.up.sql
index 79882dbc..c25efd3a 100644
--- a/migrations/024.unclassified_buildings.up.sql
+++ b/migrations/024.unclassified_buildings.up.sql
@@ -1,3 +1,5 @@
+-- note that you need to somehow reclassify such buildings, if present - before downgrading
+
 -- equivalent to 015 migration
 INSERT INTO reference_tables.landuse_classifications
 (landuse_id, description, level, parent_id, is_used)