Index: applications/viewer/jmapviewer/build.xml
===================================================================
--- applications/viewer/jmapviewer/build.xml	(revision 32083)
+++ applications/viewer/jmapviewer/build.xml	(revision 32085)
@@ -78,5 +78,5 @@
     <target name="checkstyle">
         <taskdef resource="com/puppycrawl/tools/checkstyle/ant/checkstyle-ant-task.properties" 
-        	classpath="tools/checkstyle/checkstyle-6.14.1-all.jar"/>
+        	classpath="tools/checkstyle/checkstyle-6.16-all.jar"/>
         <checkstyle config="tools/checkstyle/jmapviewer_checks.xml">
             <fileset dir="${basedir}/src" includes="**/*.java" />
Index: applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/TMSTileSource.java
===================================================================
--- applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/TMSTileSource.java	(revision 32083)
+++ applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/TMSTileSource.java	(revision 32085)
@@ -9,4 +9,7 @@
 import org.openstreetmap.gui.jmapviewer.interfaces.ICoordinate;
 
+/**
+ * TMS tile source.
+ */
 public class TMSTileSource extends AbstractTMSTileSource {
 
@@ -15,4 +18,8 @@
     protected OsmMercator osmMercator;
 
+    /**
+     * Constructs a new {@code TMSTileSource}.
+     * @param info tile source information
+     */
     public TMSTileSource(TileSourceInfo info) {
         super(info);
@@ -31,4 +38,5 @@
         return (maxZoom == 0) ? super.getMaxZoom() : maxZoom;
     }
+
     @Override
     public double getDistance(double lat1, double lon1, double lat2, double lon2) {