diff --git a/docs/drivers/virtualbox.md b/docs/drivers/virtualbox.md
index f669fe54d9..a8261426b2 100644
--- a/docs/drivers/virtualbox.md
+++ b/docs/drivers/virtualbox.md
@@ -29,7 +29,7 @@ Options:
  - `--virtualbox-boot2docker-url`: The URL of the boot2docker image. Defaults to the latest available version.
  - `--virtualbox-import-boot2docker-vm`: The name of a Boot2Docker VM to import.
  - `--virtualbox-hostonly-cidr`: The CIDR of the host only adapter.
- - `--virtualbox-hostonly-nictype`: Host Only Network Adapter Type. Possible values are are '82540EM' (Intel PRO/1000) and 'Am79C973' (PCnet-FAST III)
+ - `--virtualbox-hostonly-nictype`: Host Only Network Adapter Type. Possible values are are '82540EM' (Intel PRO/1000), 'Am79C973' (PCnet-FAST III) and 'virtio-net' Paravirtualized network adapter.
  - `--virtualbox-hostonly-nicpromisc`: Host Only Network Adapter Promiscuous Mode. Possible options are deny , allow-vms, allow-all 
  - `--virtualbox-no-share`: Disable the mount of your home directory