update description

 Changes to be committed:
	modified:   README.md

README.md

 ubuntu-quick-config
 ===================
-Quickly configures a fresh install of [Ubuntu 14.04 x64][tt] on a workstation or server.
+Quickly configures a fresh install of [Ubuntu 14.04 64-bit][tt] on a workstation or server.
 *(The server part is a work in progress...)*