diff --git a/SDT/schema4.0/docs/SDT_UML.uxf b/SDT/schema4.0/docs/SDT_UML.uxf
index a5b93b195d3a1ff0c3a585a1505bb5b5f7cf3e5c..da6cc70964ca182e8e79a651d462cb1b58cddb9f 100644
--- a/SDT/schema4.0/docs/SDT_UML.uxf
+++ b/SDT/schema4.0/docs/SDT_UML.uxf
@@ -387,7 +387,7 @@ m1= 0..n</panel_attributes>
 /* imports/
 /* DataTypes : DataType/
 /* ModuleClasses : ModuleClass/
-/* Devices : Device/
+/* DeviceClasses : DeviceClass/
 fg=blue</panel_attributes>
     <additional_attributes/>
   </element>