hmm although i'm not sure it generates our file headers. i'll check.
when i select add file header i get something like this:
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////////////////////////////////////////////////////////////////////////////////////////////////////
// file: <projName>\<fileName>
//
// summary: Declares the main frm class
////////////////////////////////////////////////////////////////////////////////////////////////////
However there are a shedload of configuration options in the add-on, so it looks like you have a large amount of free-reign on how you can set it up.