Update readme for webroot info

README.md

@@ -8,11 +8,11 @@ If you have any improvements please submit a pull request.
 ### Docker hub repository
 The Docker hub build can be found here: [https://registry.hub.docker.com/u/richarvey/nginx-php-fpm/](https://registry.hub.docker.com/u/richarvey/nginx-php-fpm/)
 ## Versions
-- Nginx: **1.10.1**
-- PHP: **5.6.21**
-- Alpine Version: **3.4**
-
-Use richarvey/nginx-php-fpm:php7 tag for PHP 7.
+| Tag | Nginx | PHP | Alpine |
+|-----|-------|-----|--------|
+| latest | 1.10.1 | 5.6.21 |
+| php5 | 1.10.1 | 5.6.21 |
+| php7 | 1.10.1 | 7.0.7 |
 
 ## Building from source
 To build from source you need to clone the git repo and run docker build:
@@ -127,6 +127,8 @@ All logs should now print out in stdout/stderr and are available via the docker
 ```
 docker logs <CONTAINER_NAME>
 ```
+### WebRoot
+You can set your webroot in the container to anything you want using the -e "WEBROOT=/var/www/html/public" variable.
 
 ### Displaying Errors
 If you want to display PHP errors on screen (in the browser) for debugging purposes use this feature: