diff --git a/src/GomokuBoard.java b/src/GomokuBoard.java
index 0dc4b51..e864dab 100644
--- a/src/GomokuBoard.java
+++ b/src/GomokuBoard.java
@@ -33,6 +33,12 @@ public class GomokuBoard{
         this(width, height, null);
     }
 
+    /**
+     * This constructor take the width and the height to creat a board of gomoku.
+     * @param width Size of width.
+     * @param height Size of height.
+     * @param colors Is colors of cells after load a game.
+     */
     public GomokuBoard(int width, int height, Color[][] colors){
         this.firstCell = new GomokuCell(Color.NIL);
         this.boardWidth = width;
@@ -41,6 +47,12 @@ public class GomokuBoard{
     }
 
 
+    /**
+     * This method gen all cells in the board and link each other.
+     * @param width Size of width.
+     * @param height Size of height.
+     * @param colors Array of Color.
+     */
     private void genCells(int width, int height, Color[][] colors){
         this.firstCell = new GomokuCell(colors == null ? Color.NIL : colors[0][0]);
         GomokuCell act = this.firstCell;