railscamp/railscamp-germany-2014 — pull request #39 by Fryie (2014-07-16 18:54:49+00:00)
Title: Fix subway station name

I live there, so I know that's it's "Kalk Kapelle", not "Kapelle Kalk". :)
But in any case, here's proof: http://www.kvb-koeln.de/german/hst/overview/513/