HTML link code: Where am I going wrong?

I apologize if this isn't the appropriate spot to ask this.

I've been working on an article with a lot of links. I've been using the HTML code so it will look better, but I can't figure out what I'm donig wrong here.

I've attached an image below, but i'm sure it will shrink, so here's a link to the full size image.

link

The red is just to separate the two parts. The green square is to indicate where I think the problem might be, but I can't spot it.