diff --git a/fiori/app/common.cds b/fiori/app/common.cds
index dd9ec8f7..e4ebc121 100644
--- a/fiori/app/common.cds
+++ b/fiori/app/common.cds
@@ -73,6 +73,8 @@ annotate my.Books with {
 //
 //	Computed Fields for Tree Tables 
 //
+//  DISCLAIMER: The below are an alpha version implementation and will change in final release !!!
+//
 aspect Hierarchy {
   LimitedDescendantCount : Integer64 = null;
   DistanceFromRoot       : Integer64 = null;