diff --git a/README.md b/README.md
index 042a8d6..6976db1 100644
--- a/README.md
+++ b/README.md
@@ -1,26 +1,77 @@
 Nekland Tools
 =============
 
+[![Build Status](https://travis-ci.org/Nekland/Tools.svg?branch=master)](https://travis-ci.org/Nekland/Tools)
+
 Just some classes helping to code with PHP in general.
 
+**This repository follows semver.**
 
 Installation
 ------------
 
-Inside your `composer.json` file:
-
-```json
-{
-    "require": {
-        "nekland/tools": "dev-master"
-    },
-    "repositories": [
-        {
-            "type": "vcs",
-            "url": "https://github.com/Nekland/Tools"
-        }
-    ]
-}
+```bash
+composer require "nekland/tools"
 ```
 
 Then `composer update nekland/tools`.
+
+Reference
+---------
+
+### StrinTools class
+
+**Encoding arguments are optionals.**
+
+#### ::camelize
+
+```php
+StringTools::camelize($str, $from) : string
+```
+
+* `$str` string input
+* `$from` (optional, default "\_") string entry format (can be "-" or "\_")
+
+#### ::startsWith
+
+```php
+StringTools::startsWith($str, $start, $encoding) : bool
+```
+
+* `$str` string input
+* `$start` string it should starts with
+
+#### ::endsWith
+
+```php
+StringTools::endsWith($str, $end, $encoding) : bool
+```
+
+* `$str` string input
+* `$end` string it should ends with
+
+#### ::removeStart
+
+```php
+StringTools::removeStart($str, $toRemove, $encoding) : string
+```
+
+* `$str` string input
+* `$toRemove` string to remove at the start of `$str`
+
+#### ::contains
+
+```php
+StringTools::contains($str, $needle, $encoding) : bool
+```
+
+* `$str` string input
+* `$needle` potentially contained string
+
+### EqualableInterface
+
+Helps you equals on objects on a similar way as [java](http://stackoverflow.com/questions/1643067/whats-the-difference-between-equals-and).
+
+#### equals
+
+Method that you must implements to check if the object taking as parameter is equals or not.