Changing Submit Value on a CCK Form

I have been trying to figure out how to change the Submit Value on a CCK Form for the past few days. I have tried using the 2 articles below:

http://drupal.org/node/601646#comment-3663656
This gives me a '500 - Internal Server Error'

http://drupal.org/node/726282
This one I don't know what values to enter to change the Submit Value

Could somebody please lead me in the right direction?