Default [Q] Cyanogenmod 11 on xperia z

hi i need some help if i put cyanogenmod 10.2 on my xperia z will it update to kitkat also i want to know if there are any good guides for cyanogenmod 11 for xperia z i believe the nightly one because im having trouble finding a indetail guide and i really want to put cyanogenmod on my phone im just wondering if any of you could help me many thanks.

Cameron