diff --git a/r/container.html.markdown b/r/container.html.markdown
index 920288eb..2f23d3db 100644
--- a/r/container.html.markdown
+++ b/r/container.html.markdown
@@ -57,6 +57,7 @@ The following arguments are supported:
   kept running. If false, then as long as the container exists, Terraform
   assumes it is successful.
 * `ports` - (Optional) See [Ports](#ports) below for details.
+* `extra_hosts` - (Optional) See [Extra Hosts](#extra_hosts) below for details.
 * `privileged` - (Optional, bool) Run container in privileged mode.
 * `publish_all_ports` - (Optional, bool) Publish all ports of the container.
 * `volumes` - (Optional) See [Volumes](#volumes) below for details.
@@ -82,6 +83,16 @@ the following:
 * `protocol` - (Optional, string) Protocol that can be used over this port,
   defaults to TCP.
 
+<a id="extra_hosts"></a>
+## Extra Hosts
+
+`extra_hosts` is a block within the configuration that can be repeated to specify
+the extra host mappings for the container. Each `extra_hosts` block supports
+the following:
+
+* `host` - (Required, int) Hostname to add.
+* `ip` - (Required, int) IP address this hostname should resolve to..
+
 <a id="volumes"></a>
 ## Volumes