README.md in kitchen-docker-2.8.0 vs README.md in kitchen-docker-2.9.0

@@ -42,26 +42,26 @@
 Examples:
 
 ```yaml
 ---
 platforms:
-- name: ubuntu-12.04
-- name: centos-6.4
+- name: ubuntu-18.04
+- name: centos-7
 ```
 
 This will effectively generate a configuration similar to:
 
 ```yaml
 ---
 platforms:
-- name: ubuntu-12.04
+- name: ubuntu-18.04
   driver_config:
-    image: ubuntu:12.04
+    image: ubuntu:18.04
     platform: ubuntu
-- name: centos-6.4
+- name: centos-7
   driver_config:
-    image: centos:6.4
+    image: centos:7
     platform: centos
 ```
 
 ## Configuration
 
@@ -127,13 +127,14 @@
 ### platform
 
 The platform of the chosen image. This is used to properly bootstrap the
 suite container for Test Kitchen. Kitchen Docker currently supports:
 
+* `arch`
 * `debian` or `ubuntu`
-* `rhel` or `centos`
+* `amazonlinux`, `rhel`, `centos`, `fedora` or `oraclelinux`
 * `gentoo` or `gentoo-paludis`
-* `opensuse` or `sles`
+* `opensuse/tumbleweed`, `opensuse/leap`, `opensuse` or `sles`
 
 The default will be computed, using the platform name (see the Default
 Configuration section for more details).
 
 ### require\_chef\_omnibus