When I make a new .bat file

bfgminer.exe --scrypt -o stratum+tcp://us2.litecoinpool.org:3333 -u Thestockfadi.moonlander -p 0420,d=128  -S MLD:all --set MLD:clock=832
pause


and when I change the "MLD:all"  to MLD 0 or 1 or 2 or whatever. . nothing happens when I start the new bat file . .