diff --git a/lib/domains/nl/kalsbeek.txt b/lib/domains/nl/kalsbeek.txt
index 1ef61c7214..03496816c8 100644
--- a/lib/domains/nl/kalsbeek.txt
+++ b/lib/domains/nl/kalsbeek.txt
@@ -1 +1,3 @@
 Kalsbeek College, Woerden
+https://www.kalsbeek.nl/
+Slideshow containing contents of computer science/informatica program: http://slideplayer.nl/slide/2213402/