diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/scale/SpiderChartScale.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/scale/SpiderChartScale.java
index 0c9dbf7a7faeb729b19269be8ee92eab69ac25ca..648db4e69b873db449953ff92546444ef4b780a1 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/scale/SpiderChartScale.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/scale/SpiderChartScale.java
@@ -17,6 +17,12 @@ $Id: CLASS.java 11213 2016-03-04 16:27:08Z MONDAL $
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.spiderchart.scale;
 
+/**
+ * Represents chart scales
+ *
+ * @author AMIT KUMAR MONDAL
+ *
+ */
 public final class SpiderChartScale {
 
 	/** Scaling Max Value (shown exactly as provided) */
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/sequence/DataSeq.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/sequence/DataSeq.java
index dbc586dd008a8878342f69ea0e0a91ab08d1c9cd..2445d7a594d8b323cfc27bc3157d33c1e2c045d2 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/sequence/DataSeq.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/sequence/DataSeq.java
@@ -27,7 +27,13 @@ import java.util.Locale;
 
 import org.fortiss.tooling.spiderchart.SpiderChart;
 
-public class DataSeq {
+/**
+ * Class representing sequence of points to be used for plotting
+ *
+ * @author AMIT KUMAR MONDAL
+ *
+ */
+public abstract class DataSeq {
 
 	/** Data Point Labels */
 	private String[] dataLabels;
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/sequence/LineDataSeq.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/sequence/LineDataSeq.java
index 2b0e724915811c27777e8dd4c893e60ef53d7e5e..8962312ffc0e01a6b1bd3554a22a121bdfaebe34 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/sequence/LineDataSeq.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/sequence/LineDataSeq.java
@@ -32,6 +32,12 @@ import org.fortiss.tooling.spiderchart.gc.AbstractChartImage;
 import org.fortiss.tooling.spiderchart.style.FillStyle;
 import org.fortiss.tooling.spiderchart.style.LineStyle;
 
+/**
+ * Represents spider chart data sequence of points for plotting
+ *
+ * @author AMIT KUMAR MONDAL
+ *
+ */
 public final class LineDataSeq extends DataSeq {
 
 	/** */
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/FillStyle.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/FillStyle.java
index 691a4503470d8d7905e2be95e4bb93f171e1825c..0f21ad716c6635ed309d894b32a1b2a2b6620800 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/FillStyle.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/FillStyle.java
@@ -25,6 +25,12 @@ import org.fortiss.tooling.spiderchart.gc.AbstractChartColor;
 import org.fortiss.tooling.spiderchart.gc.AbstractChartGraphics;
 import org.fortiss.tooling.spiderchart.gc.AbstractChartImage;
 
+/**
+ * Represents a style to be used in SWT Chart Graphics
+ *
+ * @author AMIT KUMAR MONDAL
+ *
+ */
 public final class FillStyle {
 
 	/** Gradient Horizontal Setting */
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/LineStyle.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/LineStyle.java
index 13ddb8db973dd185281355eb9846c90059b2dd20..43a25ac5f64fe0e69869a62eaa24467210bbdc9b 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/LineStyle.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/style/LineStyle.java
@@ -24,6 +24,12 @@ import static org.fortiss.tooling.spiderchart.gc.AbstractChartGraphics.STROKE_NO
 import org.fortiss.tooling.spiderchart.gc.AbstractChartColor;
 import org.fortiss.tooling.spiderchart.gc.AbstractChartGraphics;
 
+/**
+ * Represents a style to be used in SWT Chart Graphics
+ *
+ * @author AMIT KUMAR MONDAL
+ *
+ */
 public final class LineStyle {
 
 	/** */
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/swt/SpiderChartCanvas.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/swt/SpiderChartCanvas.java
index 5111c53d79e7644a62edfcaaf16c117f10436d43..cdf5b699aad48043b63a424f508f4dfd3316aef3 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/swt/SpiderChartCanvas.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/swt/SpiderChartCanvas.java
@@ -33,8 +33,14 @@ import org.fortiss.tooling.spiderchart.SpiderChart;
 import org.fortiss.tooling.spiderchart.gc.AbstractChartGraphics;
 import org.fortiss.tooling.spiderchart.listener.ISpiderChartListener;
 
+/**
+ * Represents a canvas on which chart will be displayed
+ *
+ * @author AMIT KUMAR MONDAL
+ *
+ */
 public final class SpiderChartCanvas extends Canvas implements
-		ISpiderChartListener {
+ISpiderChartListener {
 
 	/** Actual Spider Chart Ref */
 	private SpiderChart chart = null;
diff --git a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/swt/SpiderChartViewer.java b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/swt/SpiderChartViewer.java
index 9b46d2e9a4075276ead24ee5f3091196f3a37b92..494d72a8449a0393dddce99acd320ec7e2ebc101 100644
--- a/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/swt/SpiderChartViewer.java
+++ b/org.fortiss.tooling.spiderchart.ui/trunk/src/org/fortiss/tooling/spiderchart/swt/SpiderChartViewer.java
@@ -35,6 +35,12 @@ import org.eclipse.swt.widgets.Slider;
 import org.fortiss.tooling.spiderchart.SpiderChart;
 import org.fortiss.tooling.spiderchart.listener.SpiderChartAdapter;
 
+/**
+ * Represents a viewer on the canvas to display the chart
+ *
+ * @author AMIT KUMAR MONDAL
+ *
+ */
 public final class SpiderChartViewer extends Composite {
 
 	/** allows zoom functionality on the chart */
@@ -53,11 +59,11 @@ public final class SpiderChartViewer extends Composite {
 		public void onChartEvent(final SpiderChart c, final int type) {
 			if (type == 2) {
 				SpiderChartViewer.this.canvas
-						.setCursor(SpiderChartViewer.this.pointCursor);
+				.setCursor(SpiderChartViewer.this.pointCursor);
 			}
 			if (type == 3) {
 				SpiderChartViewer.this.canvas
-						.setCursor(SpiderChartViewer.this.defaultCursor);
+				.setCursor(SpiderChartViewer.this.defaultCursor);
 			}
 		}
 	};
@@ -406,7 +412,7 @@ public final class SpiderChartViewer extends Composite {
 		}
 		if (this.canvas.getChart().getVirtualWidth() > 0) {
 			this.vSlider
-					.setSize(vSliderWidth, this.getSize().y - hSliderHeight);
+			.setSize(vSliderWidth, this.getSize().y - hSliderHeight);
 			this.vSlider.setLocation(this.canvas.getSize().x, 0);
 			this.vSlider.setVisible(true);
 			this.canvas.getChart().setWithScroll(true);