Update README.md

Author: AndrewCarterUK

README.md

@@ -73,4 +73,4 @@ By default, the daemon will listen on FCGI_LISTENSOCK_FILENO, but it can also be
 php /path/to/command.php run --port=5000 --host=localhost
 ```
 
-If you are using a web server such as nginx, you will need to use a process manager to monitor and run your application.
+If you are using a web server such as NGINX, you will need to use a process manager to monitor and run your application.