diff --git a/science-giving/README.md b/science-giving/README.md
index 40e1f56..b923c35 100644
--- a/science-giving/README.md
+++ b/science-giving/README.md
@@ -1,6 +1,6 @@
 ### Political Donations From the Scientific Community
 
-This directory contains the raw data behind [TK](TK)
+This directory contains the raw data behind [https://fivethirtyeight.com/features/when-scientists-donate-to-politicians-its-usually-to-democrats](When Scientists Donate To Politicians, It’s Usually To Democrats)
 
 The data in `science_federal_giving.csv` is from the Federal Election Commission, filtered to donations form the following occupations from 2007 to 2016: 
 * computer and information scientists