PerformancePoint: Adding help to web parts

Did you know that you can add hyperlinks to your web parts that PerformancePoint creates for you? This makes it so you can redirect to either an online location or to more descriptive information about what that dashboard represents. For example, imagine that you have an executive portal of your BI site that contains summary level information for all of your divisions. On your PerformancePoint dashboard, users aren't quite sure what they can do with the dashboard so you create a nice walk through tutorial of all the different things you can do with the web part. You want to modify your web part so that when users click "Help" they are directed to this document to provide step by step instructions on how to use this BI tool.