updated tutorial for the `--hunit' flag
updated tutorial for the `--hunit' flag

Ignore-this: 78bd748042b7a17b88ee942496934132

darcs-hash:20101005113111-c71f4-6a69bec3086747183e64e01679a342e29e44de26

ekarayel/HTF,skogsbaer/HTF,skogsbaer/HTF,ekarayel/HTF