diff --git a/ServiceStation/ServiceStationDatabaseImplement/Models/Defect.cs b/ServiceStation/ServiceStationDatabaseImplement/Models/Defect.cs
index 916cc0b..1416d87 100644
--- a/ServiceStation/ServiceStationDatabaseImplement/Models/Defect.cs
+++ b/ServiceStation/ServiceStationDatabaseImplement/Models/Defect.cs
@@ -42,6 +42,8 @@ namespace ServiceStationDatabaseImplement.Models
         [ForeignKey("DefectId")]
         public virtual List<CarDefect> Cars { get; set; } = new();
 
+        //внешний ключ к сущности Сани
+
         public static Defect? Create(ServiceStationDatabase context, DefectBindingModel model)
         {
             if (model == null) return null;
diff --git a/ServiceStation/ServiceStationDatabaseImplement/Models/TechnicalWork.cs b/ServiceStation/ServiceStationDatabaseImplement/Models/TechnicalWork.cs
index 5b95787..1609b77 100644
--- a/ServiceStation/ServiceStationDatabaseImplement/Models/TechnicalWork.cs
+++ b/ServiceStation/ServiceStationDatabaseImplement/Models/TechnicalWork.cs
@@ -42,6 +42,8 @@ namespace ServiceStationDatabaseImplement.Models
         [ForeignKey("TechnicalWorkId")]
         public virtual List<CarTechnicalWork> Cars { get; set; } = new();
 
+        //внешний ключ у сущности Сани
+
         public static TechnicalWork? Create(ServiceStationDatabase context, TechnicalWorkBindingModel model)
         {
             if (model == null) return null;