I think this is a great idea Dann, and I'll go ahead and get this submitted as a feature request so we can track the community response to it. In the meantime, you can use the Custom Help functionality found in SmarterMail under Settings>General (pictured below) to implement your own help URL. I know this isn't perfect, but might help work around this concern for the time being:
I hope that helps! Have a good one!
Kyle Kerst
IT Coordinator
SmarterTools Inc.
www.smartertools.com