Update readme

Author: cicnavi

README.md

@@ -3,7 +3,8 @@
 [![Build Status](https://github.com/simplesamlphp/openid/actions/workflows/php.yml/badge.svg)](https://github.com/simplesamlphp/openid/actions/workflows/php.yml)
 [![Coverage Status](https://codecov.io/gh/simplesamlphp/openid/branch/master/graph/badge.svg)](https://app.codecov.io/gh/simplesamlphp/openid)
 
-The library provides some common tools that you might find useful when working with the OpenID family of specifications.
+The library provides some common tools that you might find useful when working
+with the OpenID family of specifications.
 
 > The library is under development, and you can expect braking changes along the way.