diff --git a/src/br/com/translate/Main.java b/src/br/com/translate/Main.java
index a3e8f73..adc89a7 100644
--- a/src/br/com/translate/Main.java
+++ b/src/br/com/translate/Main.java
@@ -4,6 +4,11 @@
 
 import br.com.translate.view.MainWindow;
 
+/**
+ * 
+ * @author Gabriel Tavares
+ *
+ */
 public class Main {
 
 	public static void main(String[] args) {
diff --git a/src/br/com/translate/business/ListenerEarthTranslate.java b/src/br/com/translate/business/ListenerEarthTranslate.java
index 17125b1..3a94496 100644
--- a/src/br/com/translate/business/ListenerEarthTranslate.java
+++ b/src/br/com/translate/business/ListenerEarthTranslate.java
@@ -2,6 +2,13 @@
 
 import java.awt.Rectangle;
 
+/**
+ * Listener responsavel por fazer a comunicacao 
+ * da Thread com a TelaPrincipal
+ * 
+ * @author Gabriel Tavares
+ *
+ */
 public interface ListenerEarthTranslate {
 
 	public void update(Rectangle r);
diff --git a/src/br/com/translate/business/ThreadEarthTranslate.java b/src/br/com/translate/business/ThreadEarthTranslate.java
index 3eba723..75f0a1b 100644
--- a/src/br/com/translate/business/ThreadEarthTranslate.java
+++ b/src/br/com/translate/business/ThreadEarthTranslate.java
@@ -4,6 +4,13 @@
 import java.awt.Rectangle;
 import java.util.Random;
 
+/**
+ * Thread responsavel por fazer a Terra girar em 
+ * torno do Sol.
+ * 
+ * @author Gabriel Tavares
+ *
+ */
 public class ThreadEarthTranslate implements Runnable{
 
 	private boolean isRunning = false;
diff --git a/src/br/com/translate/util/Histogram1D.java b/src/br/com/translate/util/Histogram1D.java
index 1e24c23..0fdad3a 100644
--- a/src/br/com/translate/util/Histogram1D.java
+++ b/src/br/com/translate/util/Histogram1D.java
@@ -9,6 +9,12 @@
 import java.awt.Graphics2D;
 import java.awt.image.BufferedImage;
 
+/**
+ * Cria o Histograma de uma Imagem
+ * 
+ * @author Gabriel Tavares
+ *
+ */
 public class Histogram1D {
 
 	int numberOfBins = 256;
diff --git a/src/br/com/translate/util/OpenCvUtil.java b/src/br/com/translate/util/OpenCvUtil.java
index 5946046..d421b27 100644
--- a/src/br/com/translate/util/OpenCvUtil.java
+++ b/src/br/com/translate/util/OpenCvUtil.java
@@ -16,6 +16,12 @@
 import static com.googlecode.javacv.cpp.opencv_legacy.*;
 import static com.googlecode.javacv.cpp.opencv_highgui.*;
 
+/**
+ * Classe utilitaria com as funcoes do OpenCV
+ * 
+ * @author Gabriel Tavares
+ *
+ */
 public class OpenCvUtil {
 
 	public static IplImage grayToBinaryImage(IplImage grayImage, boolean isCopy) {
diff --git a/src/br/com/translate/view/MainWindow.java b/src/br/com/translate/view/MainWindow.java
index 0156844..2e98d67 100644
--- a/src/br/com/translate/view/MainWindow.java
+++ b/src/br/com/translate/view/MainWindow.java
@@ -21,7 +21,7 @@
 import com.googlecode.javacv.cpp.opencv_core.IplImage;
 
 /**
- * Classe de EVENTOS da TelaPrincipal para iteracao com o usuario
+ * Classe de eventos da TelaPrincipal para iteracao com o usuario
  * 
  * @author: Gabriel Tavares
  *
@@ -30,7 +30,7 @@ public class MainWindow extends MainWindowView implements ListenerEarthTranslate
 
 	private static final long serialVersionUID = 1L;
 	
-	// Unica instancia da tela
+	// Singleton
 	private static MainWindow instance = null;
 
 	private ThreadEarthTranslate threadEarthTranslate;
diff --git a/src/br/com/translate/view/MainWindowView.java b/src/br/com/translate/view/MainWindowView.java
index ce83e60..4bd37b2 100644
--- a/src/br/com/translate/view/MainWindowView.java
+++ b/src/br/com/translate/view/MainWindowView.java
@@ -25,7 +25,7 @@
 import br.com.translate.util.OpenCvUtil;
 
 /**
- * Classe de LAYOUT da TelaPrincipal 
+ * Classe de layout da TelaPrincipal 
  * 
  * @author: Gabriel Tavares
  *