Index: /applications/editors/josm/plugins/undelete/src/org/openstreetmap/josm/plugins/undelete/Undelete.java
===================================================================
--- /applications/editors/josm/plugins/undelete/src/org/openstreetmap/josm/plugins/undelete/Undelete.java	(revision 21125)
+++ /applications/editors/josm/plugins/undelete/src/org/openstreetmap/josm/plugins/undelete/Undelete.java	(revision 21126)
@@ -229,4 +229,6 @@
                   primitive.setKeys(hPrimitive2.getTags());
                   
+                  primitive.put("history", "retrieved using undelete JOSM plugin");
+                  
                   primitive.setModified(true);