How do I create a navigation link in a markdown widget?

I'm looking at and it appears they have created a Navigation widget. I have two dashboards that are related so I'd like to create a link on each to the other. I've tried using the Markdown widget where the syntax seems to be link text but it doesn't work for me. The URL to each of the dashboards is a complicated REST URL with it's own brackets and quotes, etc. I've tried simple URLs and they work but the URL to a dashboard fails. Any ideas?

FYI, I solved it by truncating the link to just http://hostname:5601/app/kibana#/dashboard/dashboardname. Works great!