Help getting mousewheel to work.

I've edited the X86Config-4 file but no change after reboot. Someone please help. A hd install with kernel 2.6. I commented out the serial and usb mouse options and changed a few thing as per http://www.knoppix.net/docs/index.php/FaqHardware.

#Section "InputDevice"
# Identifier "Serial Mouse"
# Driver "mouse"
# Option "Protocol" "Microsoft"
# Option "Device" "/dev/ttyS0"
# Option "Emulate3Buttons" "true"
# Option "Emulate3Timeout" "70"
# Option "SendCoreEvents" "true"
#EndSection
#Option "Device" "/dev/psaux" got replaced with
# Option "Emulate3Buttons" "true"
# Option "Emulate3Timeout" "70"

/dev/input/mice
Section "InputDevice"
Identifier "PS/2 Mouse"
Driver "mouse"
Option "Protocol" "auto"
Option "ZAxisMapping" "4 5"
Option "Device" "/dev/input/mice"
Option "Buttons" "5"
Option "SendCoreEvents" "true"
EndSection

#Section "InputDevice"
# Identifier "USB Mouse"
# Driver "mouse"
# Option "Device" #"/dev/input/mice"
# Option "SendCoreEvents" "true"
# Option "Protocol" #"IMPS/2"
# Option "ZAxisMapping" "4 5"
# Option "Buttons" "5"
#EndSectionEndSection

Nevermind. Now it works correctly- after rebooting the changes took place.