diff --git a/base_classes/NXsource.nxdl.xml b/base_classes/NXsource.nxdl.xml
index 9ba824156..f53d5034a 100644
--- a/base_classes/NXsource.nxdl.xml
+++ b/base_classes/NXsource.nxdl.xml
@@ -66,18 +66,18 @@
-
+
-
-
-
- Specification of type, may also go to name.
-
-
+
+
+ Specification of type.
+
+
+
type of radiation probe (pick one from the enumerated list and spell exactly)