Index: /trunk/src/org/openstreetmap/josm/gui/layer/AbstractTileSourceLayer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/layer/AbstractTileSourceLayer.java	(revision 9864)
+++ /trunk/src/org/openstreetmap/josm/gui/layer/AbstractTileSourceLayer.java	(revision 9865)
@@ -99,5 +99,6 @@
  * @since 8526 (copied from TMSLayer)
  */
-public abstract class AbstractTileSourceLayer<T extends AbstractTMSTileSource> extends ImageryLayer implements ImageObserver, TileLoaderListener, ZoomChangeListener {
+public abstract class AbstractTileSourceLayer<T extends AbstractTMSTileSource> extends ImageryLayer
+implements ImageObserver, TileLoaderListener, ZoomChangeListener {
     private static final String PREFERENCE_PREFIX = "imagery.generic";
 
@@ -1746,11 +1747,12 @@
      * To prevent accidental clear of the queue, new download executor is created with separate queue
      *
-     * @param progressMonitor Task responsible for precaching imagery
+     * @param progressMonitor progress monitor for download task
      * @param points lat/lon coordinates to download
      * @param bufferX how many units in current Coordinate Reference System to cover in X axis in both sides
      * @param bufferY how many units in current Coordinate Reference System to cover in Y axis in both sides
-     * @return
-     */
-    public AbstractTileSourceLayer<T>.PrecacheTask downloadAreaToCache(final ProgressMonitor progressMonitor, List<LatLon> points, double bufferX, double bufferY) {
+     * @return precache task representing download task
+     */
+    public AbstractTileSourceLayer<T>.PrecacheTask downloadAreaToCache(final ProgressMonitor progressMonitor, List<LatLon> points,
+            double bufferX, double bufferY) {
         PrecacheTask precacheTask = new PrecacheTask(progressMonitor);
         final Set<Tile> requestedTiles = new ConcurrentSkipListSet<>(new Comparator<Tile>() {