Added spaces to book name

Co-authored-by: Matt Trask <[email protected]>

Author: dmitriifrlv

_posts/16-10-01-Books.md

@@ -19,7 +19,7 @@ for modern, secure, and fast cryptography.
 
 ### Paid Books
 
-* [PHP&MYSQL](https://phpandmysql.com/) - PHP book with excellent illustrations that covers all the fundamentals of PHP and MYSQL with practical examples.
+* [PHP & MySQL](https://phpandmysql.com/) - PHP book with excellent illustrations that covers all the fundamentals of PHP and MySQL with practical examples.
 * [Build APIs You Won't Hate](https://apisyouwonthate.com/) - Everyone and their dog wants an API,
 so you should probably learn how to build them.
 * [Modern PHP](https://www.oreilly.com/library/view/modern-php/9781491905173/) - Covers modern PHP features, best practices, testing, tuning, deployment and setting up a dev environment.