Update README.md

Author: cesargb

README.md

@@ -1,22 +1,25 @@
 [![StyleCI](https://styleci.io/repos/119397036/shield)](https://styleci.io/repos/119397036)
+[![Build Status](https://travis-ci.org/descom-es/php-file-encoding.svg?branch=1.0)](https://travis-ci.org/descom-es/php-file-encoding)
 # PHP convert files encoding
 PHP class to convert files encoding
 
 ## Usage
 ```php
-EncodeFile($fileR, $encoding_to, $encodings_detected);
+Encoding($file, $encoding_to, $encodings_detected);
 ```
 
 This is an example:
 
 ```php
-$codification = new Codification();
 
-$fileR = 'file.txt';
+use Descom\File\Encoding
+$codification = new Encoding();
+
+$file = 'file.txt';
 $encoding_to = 'UTF-8';
 $encodings_detected = 'UTF-8,ISO-8859-1,WINDOWS-1252';
 
-$result = $codification->EncodeFile($fileR, $encoding_to, $encodings_detected);
+$result = $codification->encodeFile($file, $encoding_to, $encodings_detected);
 ```
 
 ## Encoding values