diff --git a/brainomics2/schema/medicalexp.py b/brainomics2/schema/medicalexp.py
index a613d86..eae328e 100644
--- a/brainomics2/schema/medicalexp.py
+++ b/brainomics2/schema/medicalexp.py
@@ -72,9 +72,9 @@ class Device(EntityType):
     name = String(maxsize=256, required=True)
     manufacturer = String(maxsize=256)
     model = String(maxsize=256)
-    serialnum = String(maxsize=256)
+    serial_number = String(maxsize=256)
     software_version = String(maxsize=128)
-    configurations = RichString(fulltextindexed=True)
+    configuration = RichString(fulltextindexed=True)
 
 
 class Protocol(EntityType):