Recent Comments Plugin Help Needed

Instructions:
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1) Place the files in the specified directories
2) Look at the top of recent-comments.php for usage examples

OK, I was able to do #1 with no problem. But what exactly is #2 tellimg me to do and what am I supposed to do with the examples? I know this was created with the devloper in mind, but I think more details need to be added. What do I need to do next?