Index: trunk/src/org/openstreetmap/josm/data/osm/visitor/MapPaintVisitor.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/osm/visitor/MapPaintVisitor.java	(revision 1309)
+++ trunk/src/org/openstreetmap/josm/data/osm/visitor/MapPaintVisitor.java	(revision 1310)
@@ -560,5 +560,5 @@
                     }
                     else
-                        r.putError(tr("Unknown role {0}.", m.role), true);
+                        r.putError(tr("Unknown role ''{0}''.", m.role), true);
                 }
                 else if(m.member instanceof Node)