diff --git a/internal/db/queries/system_playlists.sql b/internal/db/queries/system_playlists.sql
index 4f77875b..63580593 100644
--- a/internal/db/queries/system_playlists.sql
+++ b/internal/db/queries/system_playlists.sql
@@ -132,7 +132,11 @@ SELECT a.cover_art_path
 DELETE FROM playlists WHERE user_id = $1 AND kind = 'system';
 
 -- name: ListPlaylistsByUserAndKind :many
--- Powers GET /api/me/playlists?kind=. Sorted by updated_at DESC.
+-- Used in integration tests; production filter applied in Go
+-- (api.handleListPlaylists fetches via Service.List and filters by Kind in
+-- memory so it can also surface other users' public playlists alongside
+-- the caller's own kind-filtered ones).
+-- Sorted by updated_at DESC.
 SELECT id, user_id, name, description, is_public, kind, system_variant,
        seed_artist_id, cover_path, track_count, duration_sec,
        created_at, updated_at