reorder chef_environment alphabetically

website/source/docs/provisioners/chef-client.html.markdown

@@ -33,6 +33,9 @@ The reference of available configuration options is listed below. No
 configuration is actually required, but `node_name` is recommended
 since it will allow the provisioner to clean up the node/client.
 
+* `chef_environment` (string) - The name of the chef_environment sent to the
+  Chef server. By default this is empty and will not use an environment.
+
 * `config_template` (string) - Path to a template that will be used for
   the Chef configuration file. By default Packer only sets configuration
   it needs to match the settings set in the provisioner configuration. If
@@ -55,9 +58,6 @@ since it will allow the provisioner to clean up the node/client.
   Server. This is optional and by defalt is empty. If you don't set this,
   Packer can't clean up the node from the Chef Server using knife.
 
-* `chef_environment` (string) - The name of the chef_environment sent to the
-  Chef server. By default this is empty and will not use an environment.
-
 * `prevent_sudo` (boolean) - By default, the configured commands that are
   executed to install and run Chef are executed with `sudo`. If this is true,
   then the sudo will be omitted.