I'm not sure why it would take so long. It really shouldn't. How did you add the text? You should be able to add css styles to change its color and size pretty easily. I'll go ahead and create a support incident for you so we can look into the long processing time issue and see if we can get that fixed and we can demonstrate how to update the text look as well.
Please update your incident with a url to see your issue as well as ftp information and/or contact information so we can work on it with you over the phone.