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README.md

@@ -873,7 +873,7 @@ Libraries to help manage database schemas and migrations.
 
 * [appserver.io](https://github.com/appserver-io/appserver) - A multithreaded application server for PHP, written in PHP.
 * [php-pm](https://github.com/php-pm/php-pm) - A process manager, supercharger and load balancer for PHP applications.
-* [RoadRunner](https://github.com/roadrunner-server/roadrunner ) - High-performance PHP application server, load-balancer and process manager.
+* [RoadRunner](https://github.com/roadrunner-server/roadrunner) - High-performance PHP application server, load-balancer and process manager.
 
 # Resources
 Various resources, such as books, websites and articles, for improving your PHP development skills and knowledge.