Update readme

Author: tifayuki

README.md

@@ -130,10 +130,13 @@ Once the stack is up, you can scale the web service using `docker-compose scale
 
 Settings in this part is immutable, you have to redeploy HAProxy service to make the changes take effects
 
-|env var|default|description|
+|Environment Variable|Default|Description|
 |:-----:|:-----:|:----------|
+|ADDITIONAL_SERVICES||list of additional services to balance (es: `prj1:web,prj2:sql`). Discovery will be based on `com.docker.compose.[project|service]` container labels. This environment variable only works on compose v2, and the referenced services must be on a network accessible to this containers.|
 |BALANCE|roundrobin|load balancing algorithm to use. Possible values include: `roundrobin`, `static-rr`, `source`, `leastconn`. See:[HAProxy:balance](https://cbonte.github.io/haproxy-dconv/configuration-1.5.html#4-balance)|
+|CA_CERT_FILE||the path of a ca-cert file. This allows you to mount your ca-cert file directly from a volume instead of from envvar. If set, `CA_CERT` envvar will be ignored. Possible value: `/cacerts/cert0.pem`|
 |CA_CERT|<empty>|CA cert for haproxy to verify the client. Use the same format as `DEFAULT_SSL_CERT`|
+|CERT_FOLDER||the path of certificates. This allows you to mount your certificate files directly from a volume instead of from envvars. If set, `DEFAULT_SSL_CERT` and `SSL_CERT` from linked services are ignored. Possible value:`/certs/`|
 |DEFAULT_SSL_CERT||Default ssl cert, a pem file content with private key followed by public certificate, '\n'(two chars) as the line separator. should be formatted as one line - see [SSL Termination](#ssl-termination)|
 |EXTRA_BIND_SETTINGS|<empty>|comma-separated string(`<port>:<setting>`) of extra settings, and each part will be appended to the related port bind section in the configuration file. To escape comma, use `\,`. Possible value: `443:accept-proxy, 80:name http`|
 |EXTRA_DEFAULT_SETTINGS|<empty>|comma-separated string of extra settings, and each part will be appended to DEFAULT section in the configuration file. To escape comma, use `\,`|
@@ -152,9 +155,6 @@ Settings in this part is immutable, you have to redeploy HAProxy service to make
 |STATS_AUTH|stats:stats|username and password required to access the Haproxy stats.|
 |STATS_PORT|1936|port for the HAProxy stats section. If this port is published, stats can be accessed at `http://<host-ip>:<STATS_PORT>/`
 |TIMEOUT|connect 5000, client 50000, server 50000|comma-separated list of HAProxy `timeout` entries to the `default` section.|
-|ADDITIONAL_SERVICES||list of additional services to balance (es: `prj1:web,prj2:sql`). Discovery will be based on `com.docker.compose.[project|service]` container labels. This environment variable only works on compose v2, and the referenced services must be on a network accessible to this containers.|
-|CA_CERT_FILE|the path of a ca-cert file. This allows you to mount your ca-cert file directly from a volume instead of from envvar. If set, `CA_CERT` envvar will be ignored. Possible value: `/cacerts/cert0.pem`|
-|CERT_FOLDER|the path of certificates. This allows you to mount your certificate files directly from a volume instead of from envvars. If set, `DEFAULT_SSL_CERT` and `SSL_CERT` from linked services are ignored. Possible value:`/certs/`|
 
 ### Settings in linked application services###