Down the right hand side of

Down the right hand side of your screen, go to - Blogs - My blog - click on the one you want, then hit 'Edit' just under the title which is in bold type.

Are you talking about blog URL?

If you're talking about your blog URL, it's currently:

mrhmag.com/blog/22038

If you prefer a custom blog URL, just request it. What would you like it to be? Perhaps:

mrhmag.com/blog/ken-ziebarth ...?  (this blog link doesn't work yet, but if you want it to work, just ask ... or suggest an different blog URL name if you wish)