Update README.md

Author: azdanov

README.md

@@ -1,6 +1,6 @@
 # PHP Interview Exercises · [![Build Status](https://img.shields.io/travis/com/azdanov/php-interview-exercises/master.svg?logo=travis)](https://travis-ci.com/azdanov/php-interview-exercises) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-blue.svg?logo=github)](http://makeapullrequest.com) [![All Contributors](https://img.shields.io/badge/all_contributors-6-orange.svg?style=flat-square)](#contributors)
 
-__[NO LONGER MAINTAINED]__: The questions should still be useful when preparing for a PHP interview, but I'm not able to maintain the repository.
+__[NO LONGER MAINTAINED]__: The exercises should still be useful when preparing for a PHP interview, but I'm not able to maintain the repository.
 
 A number of exercises to practice whiteboard interview questions in PHP.