I have taken to recording screen grabs to help some folks out on 'how do I' scenarios. Sometimes a 3 minute video saves a couple of thousand words and several screen shots.
So, per chance you need to know:
1. How to add a page border to your output and/or
2. How to add an under line that runs across the page
Watch this! https://www.youtube.com/watch?v=3UcXHeSF0BM
If you need the template, sample data and output, get them here.
I'm taking requests if you have them.