Where can I see patch notes?

Hehe, sorry if this is a noobish question guys...but every time theres a new patch and they change the skills and such I never know where to go to view the changes? Can anyone tell me where I can go?

Thanks in advance ;]

http://guildwars.wikia.com/wiki/Game_updates

Or officially: http://www.guildwars.com/support/gameupdates/

Thank you ;]