Index: trunk/src/org/openstreetmap/josm/gui/dialogs/RelationEditor.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/RelationEditor.java	(revision 529)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/RelationEditor.java	(revision 540)
@@ -100,5 +100,7 @@
 	public RelationEditor(Relation relation)
 	{
-		super(tr("Edit Relation"));
+		super(relation == null ? tr("Create new relation") : 
+			relation.id == 0 ? tr ("Edit new relation") :
+			tr("Edit relation #{0}", relation.id));
 		this.relation = relation;