Index: trunk/src/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialog.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialog.java	(revision 10212)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/InspectPrimitiveDialog.java	(revision 10213)
@@ -206,5 +206,5 @@
             final String username = entry.getKey();
             final Integer editCount = entry.getValue();
-            s.append(String.format("%6d  %s\n", editCount, username));
+            s.append(String.format("%6d  %s", editCount, username)).append('\n');
         }
         return s.toString();