Fix the readme for 7.x

README.md

@@ -2,9 +2,9 @@
 
 [<img src="https://user-images.githubusercontent.com/1286821/43083932-4915853a-8ea0-11e8-8983-db9e0f04e772.png" alt="Become a Patron" width="160" />](https://patreon.com/dmitryivanov)
 
-[![StyleCI](https://styleci.io/repos/61384075/shield?branch=master&style=flat)](https://styleci.io/repos/61384075)
-[![Build Status](https://travis-ci.org/dmitry-ivanov/laravel-helper-functions.svg?branch=master)](https://travis-ci.org/dmitry-ivanov/laravel-helper-functions)
-[![Coverage Status](https://coveralls.io/repos/github/dmitry-ivanov/laravel-helper-functions/badge.svg?branch=master)](https://coveralls.io/github/dmitry-ivanov/laravel-helper-functions?branch=master)
+[![StyleCI](https://styleci.io/repos/61384075/shield?branch=7.x&style=flat)](https://styleci.io/repos/61384075)
+[![Build Status](https://travis-ci.org/dmitry-ivanov/laravel-helper-functions.svg?branch=7.x)](https://travis-ci.org/dmitry-ivanov/laravel-helper-functions)
+[![Coverage Status](https://coveralls.io/repos/github/dmitry-ivanov/laravel-helper-functions/badge.svg?branch=7.x)](https://coveralls.io/github/dmitry-ivanov/laravel-helper-functions?branch=7.x)
 
 [![Latest Stable Version](https://poser.pugx.org/illuminated/helper-functions/v/stable)](https://packagist.org/packages/illuminated/helper-functions)
 [![Latest Unstable Version](https://poser.pugx.org/illuminated/helper-functions/v/unstable)](https://packagist.org/packages/illuminated/helper-functions)
@@ -31,7 +31,7 @@ Laravel-specific and pure PHP helper functions.
 1. Install the package via Composer:
 
     ```shell
-    composer require illuminated/helper-functions
+    composer require "illuminated/helper-functions:^7.0"
     ```
 
 2. Use any of the provided helper functions.