Update README.md

Author: aivis

README.md

@@ -18,7 +18,7 @@ This packages provides a full abstraction for Understand.io and provides extra f
 1. Add the package to your project
 
 ```
-composer require understand/understand-laravel5:^2
+composer require understand/understand-laravel5
 ```
 
 2. Add the ServiceProvider to the `providers` array in `config/app.php`
@@ -128,4 +128,4 @@ http://php.net/manual/en/function.json-encode.php
 
 ### License
 
-The Laravel Understand.io service provider is open-sourced software licensed under the [MIT license](http://opensource.org/licenses/MIT)
+The Laravel Understand.io service provider is open-sourced software licensed under the [MIT license](http://opensource.org/licenses/MIT)