"Turn off the wireless radio" checkbox is confusing

[hhardy]

In the network control panel, the Radio checkbox has above it the text: "Turn off the wireless radio to save battery life".

It is hard to tell if the check represents "radio on" or "radio off".

Build 767.

--HH.

[mstone-xmlrpc]

Pushing out to 9.1.0, per edmcnierney's request.