Clarified that 'optimization for 100 concurrent users' refers to limiting concurrent PHP file requests, not total connections

Author: chogberg

README.md

@@ -8,7 +8,7 @@ Repository: https://github.com/TrafeX/docker-php-nginx
 * Multi-platform, supporting AMD4, ARMv6, ARMv7, ARM64
 * Very small Docker image size (+/-40MB)
 * Uses PHP 8.4 for the best performance, low CPU usage & memory footprint
-* Optimized for 100 concurrent users
+* Optimized for 100 concurrent users i.e. limits the concurrent requests serving php files
 * Optimized to only use resources when there's traffic (by using PHP-FPM's `on-demand` process manager)
 * The services Nginx, PHP-FPM and supervisord run under a non-privileged user (nobody) to make it more secure
 * The logs of all the services are redirected to the output of the Docker container (visible with `docker logs -f <container name>`)
@@ -67,4 +67,4 @@ To modify this container to your specific needs please see the following example
 * [Adding xdebug support](https://github.com/TrafeX/docker-php-nginx/blob/master/docs/xdebug-support.md)
 * [Adding composer](https://github.com/TrafeX/docker-php-nginx/blob/master/docs/composer-support.md)
 * [Getting the real IP of the client behind a load balancer](https://github.com/TrafeX/docker-php-nginx/blob/master/docs/real-ip-behind-loadbalancer.md)
-* [Sending e-mails](https://github.com/TrafeX/docker-php-nginx/blob/master/docs/sending-emails.md)
+* [Sending e-mails](https://github.com/TrafeX/docker-php-nginx/blob/master/docs/sending-emails.md)