diff --git a/src/org/dclermonte/siba/Siba.java b/src/org/dclermonte/siba/Siba.java
index 7c50414..d5313aa 100644
--- a/src/org/dclermonte/siba/Siba.java
+++ b/src/org/dclermonte/siba/Siba.java
@@ -37,15 +37,17 @@ public final class Siba
 {
     private static Logger logger = LoggerFactory.getLogger(Siba.class);
 
+    /**
+     *
+     */
     private Siba()
     {
-
     }
 
     /**
-     * 
+     *
      * @param args
-     *            arguments
+     *            arguments if no argument launch GUI else CLI
      */
     public static void main(final String[] args)
     {
diff --git a/src/org/dclermonte/siba/cli/SibaCLI.java b/src/org/dclermonte/siba/cli/SibaCLI.java
index cf80229..8ae833c 100644
--- a/src/org/dclermonte/siba/cli/SibaCLI.java
+++ b/src/org/dclermonte/siba/cli/SibaCLI.java
@@ -40,13 +40,15 @@ public final class SibaCLI
     private static Logger logger = LoggerFactory.getLogger(SibaCLI.class);
     private static final ResourceBundle BUNDLE = ResourceBundle.getBundle("org.dclermonte.siba.cli.messages");
 
+    /**
+     *
+     */
     private SibaCLI()
     {
-
     }
 
     /**
-     * 
+     *
      * @param directoryToSave
      *            the name of the directory to save
      * @throws SibaException
@@ -79,12 +81,12 @@ public final class SibaCLI
 
     /**
      *
-     * This method is called for Check from CLI. anObject
+     * This method is called for Check from CLI.
      *
      * @param fileToCheck
      *            The file to be check
      * @throws SibaException
-     *             specific exception
+     *             specific exception file not found
      */
     public static void check(final File fileToCheck) throws SibaException
     {
@@ -222,7 +224,6 @@ public final class SibaCLI
                 System.out.println(BUNDLE.getString("badUsage.text"));
                 help();
             }
-
         }
         catch (SibaException exception)
         {
diff --git a/src/org/dclermonte/siba/gui/AboutDialog.java b/src/org/dclermonte/siba/gui/AboutDialog.java
index f028374..a0aaaab 100644
--- a/src/org/dclermonte/siba/gui/AboutDialog.java
+++ b/src/org/dclermonte/siba/gui/AboutDialog.java
@@ -59,7 +59,6 @@ public class AboutDialog extends JDialog
      */
     public AboutDialog() throws IOException
     {
-
         setMinimumSize(new Dimension(600, 350));
         setMaximumSize(new Dimension(600, 500));
         setIconImage(Toolkit.getDefaultToolkit()
@@ -130,5 +129,4 @@ public class AboutDialog extends JDialog
         }
 
     }
-
 }
diff --git a/src/org/dclermonte/siba/gui/BackupPanel.java b/src/org/dclermonte/siba/gui/BackupPanel.java
index 21a19cf..4e9258d 100644
--- a/src/org/dclermonte/siba/gui/BackupPanel.java
+++ b/src/org/dclermonte/siba/gui/BackupPanel.java
@@ -107,9 +107,7 @@ public class BackupPanel extends JPanel
                 {
                     BackupPanel.this.sourceDirectoryField.setText(file.getPath());
                 }
-
             }
-
         });
         choosePanel.add(btnSourceDirectory, "6, 2");
 
@@ -129,13 +127,11 @@ public class BackupPanel extends JPanel
             @Override
             public void actionPerformed(final ActionEvent e)
             {
-
                 File file = TargetDirectorySelector.showSelectorDialog(BackupPanel.this, null);
                 if (file != null)
                 {
                     BackupPanel.this.targetDirectoryField.setText(file.getPath());
                 }
-
             }
         });
         choosePanel.add(btnTarget, "6, 4");
@@ -204,7 +200,6 @@ public class BackupPanel extends JPanel
 
             }
         });
-
     }
 
     /**
diff --git a/src/org/dclermonte/siba/gui/TargetDirectorySelector.java b/src/org/dclermonte/siba/gui/TargetDirectorySelector.java
index 9f553de..3ba2f4c 100644
--- a/src/org/dclermonte/siba/gui/TargetDirectorySelector.java
+++ b/src/org/dclermonte/siba/gui/TargetDirectorySelector.java
@@ -36,7 +36,6 @@ public class TargetDirectorySelector extends JFileChooser
         if ((targetFile == null) || (StringUtils.isBlank(targetFile.getAbsolutePath())))
         {
             file = null;
-
         }
         else if (targetFile.isFile())
         {
diff --git a/src/org/dclermonte/siba/gui/utils/GUIToolBox.java b/src/org/dclermonte/siba/gui/utils/GUIToolBox.java
index c2caa6f..8f6ac09 100644
--- a/src/org/dclermonte/siba/gui/utils/GUIToolBox.java
+++ b/src/org/dclermonte/siba/gui/utils/GUIToolBox.java
@@ -33,11 +33,10 @@ import javax.swing.UIManager;
 public final class GUIToolBox
 {
     /**
-     * 
+     *
      */
     private GUIToolBox()
     {
-
     }
 
     /**
diff --git a/src/org/dclermonte/siba/model/SibaUtils.java b/src/org/dclermonte/siba/model/SibaUtils.java
index 2523e7f..124b02a 100644
--- a/src/org/dclermonte/siba/model/SibaUtils.java
+++ b/src/org/dclermonte/siba/model/SibaUtils.java
@@ -42,9 +42,11 @@ public final class SibaUtils
 {
     static final String DEFAULT_CHARSET = "UTF-8";
 
+    /**
+     *
+     */
     private SibaUtils()
     {
-
     }
 
     /**
@@ -89,6 +91,7 @@ public final class SibaUtils
     public static File createMD5File(final String md5, final String fileName, final String target) throws IOException
     {
         File result;
+
         FileWriter out = null;
         try
         {
@@ -121,6 +124,7 @@ public final class SibaUtils
     public static String loadMD5Sum(final File choosenFile) throws IOException
     {
         String result;
+
         FileReader in = null;
         try
         {
@@ -189,6 +193,7 @@ public final class SibaUtils
             }
             fileInputStream.close();
 
+            //
             result = hashString.toString();
         }
         finally