Implemented the suggestions made by Christian and Wouter

Author: javiereguiluz

cookbook/bundles/best_practices.rst

@@ -218,7 +218,7 @@ following standardized instructions in your ``README.md`` file.
     following command to download the latest stable version of this bundle:
 
     ```bash
-    $ composer require <package-name>
+    $ composer require <package-name> "~1"
     ```
 
     This command requires you to have Composer installed globally, as explained

cookbook/bundles/installation.rst

@@ -44,7 +44,7 @@ version, include it as the second argument of the `composer require`_ command:
 
 .. code-block:: bash
 
-    $ composer require friendsofsymfony/user-bundle "~2.0@dev"
+    $ composer require friendsofsymfony/user-bundle "~2.0"
 
 B) Enable the Bundle
 --------------------