diff --git a/README.md b/README.md
index 10838595..69b81625 100755
--- a/README.md
+++ b/README.md
@@ -14,10 +14,10 @@ The SDK supports PHP 5 or major
 #### Using Composer
 
 1. Download [Composer](https://getcomposer.org/download/) if not already installed
-2. Go to your project directory and Execute `composer require "mercadopago/px-php"` on the command line.
+2. Go to your project directory and Execute `composer require "mercadopago/dx-php"` on the command line.
 3. This how your directory structure would look like.
 
-![screen shot 2017-12-27 at 5 25 43 pm](https://user-images.githubusercontent.com/864790/34393031-6c1068a4-eb2e-11e7-933a-81a47ba7b727.png)
+![screen shot 2017-12-27 at 7 07 47 pm](https://user-images.githubusercontent.com/864790/34394635-44f7745a-eb39-11e7-981d-77cf759cf05f.png)
 
 4. Thats all, you have Mercado Pago SDK installed.