Fix or remove broken link on project page

Problem/Motivation

On the project page, there is a link to Dave Cohen's blog in this sentence;

"The idea behind this module is described in Dave Cohen's blog."

However, clicking on it leads to: "We're sorry, but that page can't be found"

Steps to reproduce

Visit project page. Click on link.

Proposed resolution

Fix or remove the broken link.

Remaining tasks

Do it.