1diff --git a/plugins/boot2docker/_boot2docker b/plugins/boot2docker/_boot2docker
2index baa08b26d89f5744af98c08dee13129b2ce5e910..3116bd14c3e7aec0cad9ede724da70c4e17ee29c 100644
3--- a/plugins/boot2docker/_boot2docker
4+++ b/plugins/boot2docker/_boot2docker
5@@ -35,11 +35,14 @@ _1st_arguments=(
6 7 _arguments \
8 '(--basevmdk)--basevmdk[Path to VMDK to use as base for persistent partition]' \
9+ '(--cpus)'{-c,--cpus}'[number of CPUs for boot2docker.]' \
10+ '(--clobber)--clobber[overwrite Docker client binary on boot2docker upgrade]' \
11 '(--dhcp)--dhcp[enable VirtualBox host-only network DHCP.]' \
12 '(--dhcpip)--dhcpip[VirtualBox host-only network DHCP server address.]' \
13 '(-s --disksize)'{-s,--disksize}'[boot2docker disk image size (in MB).]' \
14 '(--dockerport)--dockerport[host Docker port (forward to port 2376 in VM). (deprecated - use with care)]' \
15 '(--driver)--driver[hypervisor driver.]' \
16+ '(--force-upgrade-download)--force-upgrade-download[always download on boot2docker upgrade, never skip.]' \
17 '(--hostip)--hostip[VirtualBox host-only network IP address.]' \
18 '(--iso)--iso[path to boot2docker ISO image.]' \
19 '(--iso-url)--iso-url[/api.github.com/repos/boot2docker/boot2docker/releases": source URL to provision the boot2docker ISO image.]' \