diff --git a/20240208_Precio-ventas-2013.sql b/20240208_Precio-ventas-2013.sql
index 9f82a5b..8320a08 100644
--- a/20240208_Precio-ventas-2013.sql
+++ b/20240208_Precio-ventas-2013.sql
@@ -1,3 +1,6 @@
+-- Sales per item per month for UNO7 years for Fiscalia request
+-- Run on old 'comercial' database
+
 SELECT
     DATE_FORMAT(dv.fecha,'%Y%m') AS mes,
     i.id_item AS cod_item,