diff --git a/build.num b/build.num
index 19e6bfa..a1e1775 100644
--- a/build.num
+++ b/build.num
@@ -1,3 +1,3 @@
 #Build Number for ANT. Do not edit!
 #Mon Dec 22 10:48:34 CET 2014
-build.number=20
+build.number=0
diff --git a/build.properties b/build.properties
index a20876c..72570db 100644
--- a/build.properties
+++ b/build.properties
@@ -1,3 +1,3 @@
 product.name=devinsy-utils
 product.revision.major=0
-product.revision.minor=2
+product.revision.minor=3
diff --git a/src/fr/devinsy/util/strings/StringListUtils.java b/src/fr/devinsy/util/strings/StringListUtils.java
index 250abae..ab2402b 100644
--- a/src/fr/devinsy/util/strings/StringListUtils.java
+++ b/src/fr/devinsy/util/strings/StringListUtils.java
@@ -19,9 +19,10 @@
 package fr.devinsy.util.strings;
 
 /**
- * This class is a collection of String objects with specific methods. It makes
- * possible to build a string without any copy. The goal is to optimize the
- * building of strings where they are lot of concatenation action.
+ * The {@code StringUtils} class defines helper methods to string collection.
+ * 
+ * Operations that are null safe.
+ * 
  */
 public class StringListUtils
 {
diff --git a/src/fr/devinsy/util/unix/Unix.java b/src/fr/devinsy/util/unix/Unix.java
index 341681b..5de7972 100644
--- a/src/fr/devinsy/util/unix/Unix.java
+++ b/src/fr/devinsy/util/unix/Unix.java
@@ -1,5 +1,5 @@
 /**
- * Copyright (C) 2006-2010, 2013-2014 Christian Pierre MOMON
+ * Copyright (C) 2006-2010, 2013-2015 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-utils.
  * 
diff --git a/src/fr/devinsy/util/unix/acl/AclManager.java b/src/fr/devinsy/util/unix/acl/AclManager.java
index c98f4c9..7484141 100644
--- a/src/fr/devinsy/util/unix/acl/AclManager.java
+++ b/src/fr/devinsy/util/unix/acl/AclManager.java
@@ -1,5 +1,5 @@
 /**
- * Copyright (C) 2010, 2013-2014 Christian Pierre MOMON
+ * Copyright (C) 2010, 2013-2015 Christian Pierre MOMON
  * 
  * This file is part of Devinsy-utils.
  *