diff --git a/dpp-tutorial/irs-drill-down.md b/dpp-tutorial/irs-drill-down.md
index e3ef37c40..a4bc75ff9 100644
--- a/dpp-tutorial/irs-drill-down.md
+++ b/dpp-tutorial/irs-drill-down.md
@@ -132,7 +132,7 @@ Example:
 
 
 
-## 3° Add BOMAsBuilt Relationships to the Submodel Server
+## 3° Add BOMAsBuilt Payload to the Submodel Server
 
 The BOMAsBuilt relationships, you stored temporarily in your notepad editor from [step 2](#1-lookup-bomasbuilt-relationships-of-the-component) must be added into the submodel data service.