Php Question – Forcing Camel Caps…

Hi there. Quick php question. I’m calling the name of tags on the title of my tags page like this:

<h1><?php single_tag_title(); ?></h1>

I’d just like to make sure that the tag name (and names if it’s more than one word) starts with a capital letter, regardless of whether it was tagged as such originally.

Is this possible by slapping something into that php above?

Thanks!