Update README.md

Sonny Li · web-flow · commit 5d91321b5186 · 2018-09-24T16:44:53.000-04:00
diff --git a/README.md b/README.md
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 See www.codecademy.com/learn/paths/data-science for a list of the data and code we've published:
 
 - [Hacker News](hacker-news)
-- StreetEasy
-- Twitch
-- Warby Parker
-- Yelp
+- [StreetEasy](streeteasy)
+- [Twitch](twitch)
+- [Warby Parker](warby-parker)
+- [Yelp](yelp)
 
 Unless otherwise noted, our datasets are available under the Creative Commons Attribution 4.0 International License, and the code is available under the MIT License.
