go to
http://u-boot.realsimulation.com/ in the general download section and get SetKeys1_3.zip. use that to edit your commands instead of doing it manually, you'll find this way way Easier to edit with and you should be able to fix your old file!
just in case here is a copy of an my Commands_en.cfg file for version 1.4B
http://rapidshare.de/files/10279088/...ds_en.cfg.html