Fix typo

Author: randohinn

README.md

@@ -1,5 +1,5 @@
 # Laravel Userfile
-[![Latest Version on Packagist](https://img.shields.io/packagist/v/randohinn/userfile.svg?style=flat-square)](https://packagist.org/packages/randohinn/usefile)
+[![Latest Version on Packagist](https://img.shields.io/packagist/v/randohinn/userfile.svg?style=flat-square)](https://packagist.org/packages/randohinn/userfile)
 
 
 Userfile is a Laravel package that allows storing user data in yaml files. It also supports Bearer type API authentication.