diff --git a/jzy3d-api/src/api/org/jzy3d/plot3d/builder/concrete/WaterfallTessellator.java b/jzy3d-api/src/api/org/jzy3d/plot3d/builder/concrete/WaterfallTessellator.java
index 85aa7b50..1d479d00 100644
--- a/jzy3d-api/src/api/org/jzy3d/plot3d/builder/concrete/WaterfallTessellator.java
+++ b/jzy3d-api/src/api/org/jzy3d/plot3d/builder/concrete/WaterfallTessellator.java
@@ -9,6 +9,11 @@ import org.jzy3d.plot3d.primitives.Shape;
 import org.jzy3d.plot3d.primitives.TesselatedPolygon;
 import org.jzy3d.plot3d.primitives.WaterfallComposite;
 
+/**
+ * Build a drawable Waterfall using <a href="">Matlab style</a>
+ * 
+ * @author Jacob Filik
+ */
 public class WaterfallTessellator extends Tessellator {
 	
 	@Override
diff --git a/jzy3d-api/src/api/org/jzy3d/plot3d/primitives/WaterfallComposite.java b/jzy3d-api/src/api/org/jzy3d/plot3d/primitives/WaterfallComposite.java
index 08c4e898..fa67a4b7 100644
--- a/jzy3d-api/src/api/org/jzy3d/plot3d/primitives/WaterfallComposite.java
+++ b/jzy3d-api/src/api/org/jzy3d/plot3d/primitives/WaterfallComposite.java
@@ -5,6 +5,13 @@ import java.util.List;
 import org.jzy3d.colors.Color;
 import org.jzy3d.colors.ColorMapper;
 
+/**
+ * A drawable Waterfall using <a href="">Matlab style</a>
+ * 
+ * @see WaterfallTessellator
+ * 
+ * @author Jacob Filik
+ */
 public class WaterfallComposite extends Shape {
 
 	public void add(ColoredWireframePolygon outline, Shape fill) {
diff --git a/jzy3d-tutorials/src/main/java/org/jzy3d/demos/waterfall/WaterfallDemo.java b/jzy3d-tutorials/src/main/java/org/jzy3d/demos/waterfall/WaterfallDemo.java
index 24b5d10b..d048cf1a 100644
--- a/jzy3d-tutorials/src/main/java/org/jzy3d/demos/waterfall/WaterfallDemo.java
+++ b/jzy3d-tutorials/src/main/java/org/jzy3d/demos/waterfall/WaterfallDemo.java
@@ -18,46 +18,43 @@ public class WaterfallDemo extends AbstractAnalysis {
     @Override
     public void init() {
 
-    	float[] x = new float[80];
-		
-		for (int i = 0; i < x.length; i++) {
-			x[i] = -3f + 6f*((float)i/(x.length-1));
-		}
-		
-		float[] y = new float[40];
-		
-		for (int i = 0; i < y.length; i++) {
-			y[i] = -3f + 2f*((float)i/(y.length-1));
-		}
-		
-		float[] z = getZ(x,y);
+        float[] x = new float[80];
+
+        for (int i = 0; i < x.length; i++) {
+            x[i] = -3f + 6f * ((float) i / (x.length - 1));
+        }
+
+        float[] y = new float[40];
+
+        for (int i = 0; i < y.length; i++) {
+            y[i] = -3f + 2f * ((float) i / (y.length - 1));
+        }
+
+        float[] z = getZ(x, y);
+
+        WaterfallTessellator waterfall = new WaterfallTessellator();
+
+        Shape build = waterfall.build(x, y, z);
+        build.setColorMapper(new ColorMapper(new ColorMapRainbow(), build.getBounds().getZmin(), build.getBounds().getZmax(), new Color(1, 1, 1, .5f)));
 
-		WaterfallTessellator waterfall = new WaterfallTessellator();
-		
-		Shape build =waterfall.build(x, y, z);
-		build.setColorMapper(new ColorMapper(new ColorMapRainbow(), build.getBounds().getZmin(), build.getBounds().getZmax(), new Color(1, 1, 1, .5f)));
-//		build.setColor(Color.BLACK);
         // Create a chart
         chart = AWTChartComponentFactory.chart(Quality.Intermediate, getCanvasType());
         chart.getScene().getGraph().add(build);
         chart.getView();
     }
-    
+
     private float[] getZ(float[] x, float[] y) {
+        float[] z = new float[x.length * y.length];
 
-    	float[] z = new float[x.length*y.length];
-
-    	for (int i = 0; i < y.length; i++) {
-    		for (int j = 0; j < x.length; j++) {
-    			z[j + (x.length*i)] = (float)f((double)x[j],(double)y[i]);
-    		}
-    	}
-
-    	return z;
-
+        for (int i = 0; i < y.length; i++) {
+            for (int j = 0; j < x.length; j++) {
+                z[j + (x.length * i)] = (float) f((double) x[j], (double) y[i]);
+            }
+        }
+        return z;
     }
 
     private double f(double x, double y) {
-    	return x * Math.sin(x * y);
+        return x * Math.sin(x * y);
     }
 }
\ No newline at end of file