diff --git a/biolink-model.yaml b/biolink-model.yaml
index a10690ef1..57186d433 100644
--- a/biolink-model.yaml
+++ b/biolink-model.yaml
@@ -1174,12 +1174,12 @@ slots:
   is supplement:
     description: >-
     is_a: node property
-    range: chemical mixture
+    domain: chemical mixture
 
   trade name:
     description: >-
     is_a: node property
-    range: chemical entity
+    domain: chemical entity
 
   available from:
     description: >-