adding url for #326

Author: gbinal

Diff for: index.md

@@ -143,7 +143,7 @@ Case studies of novel or best practices from agencies who are leading in open da
 
 6-8 [USAID Crowdsourcing to Open Data](http://transition.usaid.gov/our_work/economic_growth_and_trade/development_credit/pdfs/2012/USAIDCrowdsourcingCaseStudy.pdf) - A case study that shows how USAID invited the "crowd" to clean and geocode a USAID dataset in order to open and map the data.
 
-6-9 [Centers for Medicare & Medicaid Services (CMS) Data and Information Products] - a case study of how CMS is transitioning to a data-driven culture, including the creation of a new office for information products and data analytics, the release of open data summarizing provider utilization and payment information, and the responsible disclosure of restricted use data to qualified parties.  
+6-9 [Centers for Medicare & Medicaid Services (CMS) Data and Information Products](http://www.cms.gov/Research-Statistics-Data-and-Systems/Research/ResearchGenInfo/Downloads/CMS-Data-and-Information-Products.pdf) - a case study of how CMS is transitioning to a data-driven culture, including the creation of a new office for information products and data analytics, the release of open data summarizing provider utilization and payment information, and the responsible disclosure of restricted use data to qualified parties.  
 
 **For Developers: [View all appendices](http://github.com/project-open-data/) (and source)**