Customize Browser Heading

Does anyone know how I can customize the wording at the very top of the browser? For instance, in this forum (and I'm using Firefox, but not sure that matters), the very top of the browser says "Digital Grin Photography Forum." On my old site, I had somehow changed that to read "Bryan Oster Photography - San Diego - and then my phone number." It was a long time ago that I did this, and now that I've switched over to the new SmugMug, I can't for the life of me figure out how to do that again.

Any ideas? Thanks!!