Index: trunk/src/org/openstreetmap/josm/data/osm/OsmPrimitive.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/osm/OsmPrimitive.java	(revision 3999)
+++ trunk/src/org/openstreetmap/josm/data/osm/OsmPrimitive.java	(revision 4000)
@@ -341,5 +341,5 @@
     public void checkDataset() {
         if (dataSet == null)
-            throw new DataIntegrityProblemException("Primitive  must be part of the dataset: " + toString());
+            throw new DataIntegrityProblemException("Primitive must be part of the dataset: " + toString());
     }