diff --git a/price.ts b/price.ts
index 4c16864..aa744ee 100644
--- a/price.ts
+++ b/price.ts
@@ -2,6 +2,9 @@ import { Paginacion, paginacionToSearchParams, Paging } from "./common.js";
 
 export interface PriceQuery {
   paginacion?: Paginacion;
+  /**
+   * Filtrar por PriceListNumber
+   */
   filter?: string;
   SKUCode?: string;
 }