better disply of label

src/main/java/environment/BasinNetworkObserverNEA.java

@@ -119,6 +119,7 @@ public class BasinNetworkObserverNEA extends ObserverListener implements Configu
 	public void valueChanged(ObservablesHandler arg0, Object arg1, long arg2) {
 
 		// update the label
+
 		String txt = Long.valueOf((time.getYear(pilot))).toString() + (" ") + time.getSeason(pilot).toString() + " - ";
 		label.setText(txt);
 		if (basinUnderMouse != null) {
@@ -147,7 +148,8 @@ public class BasinNetworkObserverNEA extends ObserverListener implements Configu
 		String txt = (Long.valueOf(time.getYear(pilot))).toString() + (" ") + time.getSeason(pilot).toString() + " - ";
 
 		// identify the basin under the mouse position and enrich the label
-		// Basin basin;
+
+		basinUnderMouse = null;
 		for (Shape shape : shapeBasinMap.keySet()) {
 			if (shape.contains(x, y)) {
 				basinUnderMouse = shapeBasinMap.get(shape);