Update readme.md

Author: teamupdivision

readme.md

@@ -17,7 +17,7 @@ If you don't already have an Apache local environment with PHP and MySQL, use on
  - Mac: https://wpshout.com/quick-guides/how-to-install-mamp-on-your-mac/
 
 Also, you will need to install Composer: https://getcomposer.org/doc/00-intro.md   
-And Laravel: https://laravel.com/docs/5.8/installation
+And Laravel: https://laravel.com/docs/6.x/installation
 
 ## Installation