diff --git a/PROMS/ReferencedObjects/LibSource/RODBInterface/RODBInterface.cs b/PROMS/ReferencedObjects/LibSource/RODBInterface/RODBInterface.cs
index 03ca6a3e..664993d8 100644
--- a/PROMS/ReferencedObjects/LibSource/RODBInterface/RODBInterface.cs
+++ b/PROMS/ReferencedObjects/LibSource/RODBInterface/RODBInterface.cs
@@ -2662,8 +2662,14 @@ namespace RODBInterface
 				// or not. 
 				if (changegeneric != false)
 				{
-					System.Windows.Forms.DialogResult result = MessageBox.Show("Update Generic definition?", "Referenced Object Definition",
-						MessageBoxButtons.YesNo, MessageBoxIcon.Question);
+					// B2021-072: don't update name if user selects No on dialog.  This is actually misleading, because Yes updates
+					//	Generic definition, i.e. all Groups, and No updates only Local definition, i.e. just this Group  Added a
+					//	Cancel button to Cancel from this dialog and return to previous dialog.  Added more information to the
+					//	dialog to inform user of this
+					string dmsg = "Update Generic definition?\r\n\r\n Yes - updates Generic definitions, \r\n No - updates Local definitions, \r\n Cancel - returns to previous dialog." +
+						"\r\n\r\n 'Generic' updates definition in ALL groups that use the name\r\n 'Local' updates definition only in the selected group.";
+					System.Windows.Forms.DialogResult result = MessageBox.Show(dmsg, "Referenced Object Definition", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
+					if (result == DialogResult.Cancel) return false;
 					if (result == DialogResult.No) changegeneric = false;
 				}
 				if (changegeneric == true)