Ocelot is calles Ozelot in /summon and /kill

What I expected to happen was...:
I did /kill @e[type=Ocelot] and i expected it to kill all ocelots in the world

What actually happened was...:
I did /kill @e[type=Ocelot] and it said it wasnt a type

Steps to Reproduce:
1. /kill @e[type=Ocelot]
2. Doesn't do anything
3. /kill @e[type=Ozelot]
4. kills alll ocelots and sais "Killed Ocelot"