Hello @ian.wash, sorry for a bit late response.
You have spaces between [ and the text ] delete the spaces. This is how it should look: [Feel Free To Follow](https://steemit.com/@ian.wash
And directly after your username you'll put up one of these ]
If you want the text to be bold you'll use ** on both sides of the text. Just make sure you don't have spaces between anything. :)
So basically:
[Feel Free To Follow Me].(https://steemit.com/@ian.wash)<./center>
but you'll delete the dots and have no spaces between :)