diff --git a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/Data/IHasExtraProperties.cs b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/Data/IHasExtraProperties.cs
index 1ba519680c..a637351e66 100644
--- a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/Data/IHasExtraProperties.cs
+++ b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/Data/IHasExtraProperties.cs
@@ -2,7 +2,7 @@
 
 namespace Volo.Abp.Data
 {
-    //TODO: Move to Volo.Abp.Data.ObjectExtending namespace at v3.0
+    //TODO: Move to Volo.Abp.Data.ObjectExtending namespace at 4.0?
 
     public interface IHasExtraProperties
     {