[arch-general] Change letters of partitions

[Lucas Salies Brum]

Hello everyone, I'm having a little problem.

My partitions looked like this:
/dev/sda1 (/)
/dev/sda2 (/home)
/dev/sda3 (swap)

After I deleted the / partition and got this:
/dev/sda1 (Windows)
free space
/dev/sda2 (/home)
/dev/sda3 (swap)

And i need this:
/dev/sda1 (Windows)
/dev/sda2 (/)
/dev/sda3 (/home)
/dev/sda4 (swap)

How do I change home partition /dev/sda2 to /dev/sda3?

Thank you all.
---
Lucas Saliés Brum
http://sistematico.org
lsbrum @ irc.freenode.org