corrected stale link to project scoping guide in "about" page

resolves #65

src/marketplace/templates/marketplace/about.html

@@ -6,7 +6,7 @@ <h2 class="section-header">What is <span class="text-warning">DSSG Solve</span><
 Solve for Good is a platform for social good organizations to describe and submit problems that need
 data intensive help, and for volunteers to help solve those problems. Once the projects are submitted by the organization, 
 they go through a scoping process (done by scoping volunteers and guided by our 
-<a href="https://datasciencepublicpolicy.org/home/resources/data-science-project-scoping-guide/">Data Science Scoping Process</a>).
+<a href="https://www.dssgfellowship.org/2016/10/27/scoping-data-science-for-social-good-projects/" target="_blank">Data Science Scoping Process</a>).
 Once a project scope is finalized and reviewed, it becomes available for data science volunteers to start working on. 
 The finished work is reviewed by a QA team consisting of volunteers and staff of the organization that submitted the project
 and given back to the organization as well as shared publicly on github.