Pointshop Sprint Powerup

I wanted to add a sprint powerup to my pointshop on my server. I through together something that i thought would work, but it wont. Can someone help me out?
[lua]
ITEM.Name = ‘Spirint Powerup’
ITEM.Price = 1000
ITEM.Model = ‘models/props_junk/GlassBottle01a.mdl’
ITEM.NoPreview = true

function ITEM:OnEquip(ply, modifications)
ply:GetByID( 1 ):SprintEnable()
Ply:SetRunSpeed( 100, 110 )
end

function ITEM:OnHolster(ply)
ply:SetRunSpeed( 0, 0)
end
[/lua]


ITEM.Name = 'Sprint PowerUp'
ITEM.Price = 1000
ITEM.Model = 'models/props_junk/GlassBottle01a.mdl'
ITEM.NoPreview = true

function ITEM:OnEquip( ply )
	ply:SetRunSpeed( ply:GetWalkSpeed()+250 )
end

function ITEM:OnHolster( ply )
	ply:SetRunSpeed( ply:GetWalkSpeed() )
end


If you get any errors please post them

thank you so much! that worked great!