diff --git a/src/break_out/model/Level.java b/src/break_out/model/Level.java
index c7e548c..f0c81af 100644
--- a/src/break_out/model/Level.java
+++ b/src/break_out/model/Level.java
@@ -155,13 +155,13 @@ public class Level extends Thread implements ILevel {
 				// Call here the balls method for reacting on stones of the playground
 				if(getBall().hitsStone(getStones())) {
 					updateStonesAndScore();
-					System.out.println("count: "+stones.size());
+					//System.out.println("count: "+stones.size());
 				}
 
 				// if all stones are broken, go to next level
 				if(allStonesBroken()) {
 					// next level
-					System.out.println("next level");
+					//System.out.println("next level");
 				}
 
 				// update paddles position
@@ -189,16 +189,18 @@ public class Level extends Thread implements ILevel {
 	 */
 	private void loadLevelData(int levelnr) {
 		JSONReader reader = new JSONReader(String.format("res/Level%s.json", levelnr));
-		int[][] stoneArray = reader.getStones2DArray();
+		int[][] stoneTypes = reader.getStones2DArray();
+
+		// life counter
 		lifeCounter = reader.getLifeCounter();
 
 		// clear stones list, not needed but could cause problems when not done
 		stones.clear();
 
 		// foreach column
-		for(int y = 0; y < stoneArray.length; y++) {
+		for(int y = 0; y < stoneTypes.length; y++) {
 			// foreach element in column x
-			for(int x = 0; x < stoneArray[y].length; x++) {
+			for(int x = 0; x < stoneTypes[y].length; x++) {
 				Position tempPos = new Position(-1, -1);
 				// position calculation, equivalent to grid calculation in "view.Field"
 
@@ -208,7 +210,7 @@ public class Level extends Thread implements ILevel {
 
 				tempPos.setX(blockWidth * x);
 				tempPos.setY(blockHeight * y);
-				Stone tempStone = new Stone(stoneArray[y][x], tempPos);
+				Stone tempStone = new Stone(stoneTypes[y][x], tempPos);
 
 				// add stone to list
 				if(tempStone.getType() != 0)
@@ -258,10 +260,16 @@ public class Level extends Thread implements ILevel {
 	 * The updater for the levels stones and the player score
 	 */
 	private void updateStonesAndScore() {
+		// hit stone
 		Stone stone = getBall().getHitStone();
+
+		// add value to score
 		score += stone.getValue();
+
+		// set new type
 		stone.setType(stone.getType()-1);
 
+		// stones type is 0? remove it!
 		if(stone.getType() == 0) {
 			stones.remove(stone);
 		}
@@ -272,8 +280,7 @@ public class Level extends Thread implements ILevel {
 	 * @return true when all stones are broken
 	 */
 	private boolean allStonesBroken() {
-		if(stones.isEmpty()) return true;
-		else return false;
+		return stones.isEmpty();
 	}
 }