Fixed typos in Technical Note 011.
Fixed typos in Technical Note 011.

The example code used 'ifname' as the name for the interface. All text and subsequent code, however, used 'ifname'.

utsav2601/cmpe295A,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,mslovy/barrelfish,kishoredbn/barrelfish,mslovy/barrelfish,BarrelfishOS/barrelfish,utsav2601/cmpe295A,BarrelfishOS/barrelfish,utsav2601/cmpe295A,linusyang/barrelfish,8l/barrelfish,kishoredbn/barrelfish,mslovy/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,8l/barrelfish,kishoredbn/barrelfish,8l/barrelfish,mslovy/barrelfish,linusyang/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,kishoredbn/barrelfish,utsav2601/cmpe295A,linusyang/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,linusyang/barrelfish,utsav2601/cmpe295A,mslovy/barrelfish,mslovy/barrelfish,utsav2601/cmpe295A,8l/barrelfish,kishoredbn/barrelfish,8l/barrelfish,linusyang/barrelfish