diff --git a/courses/mathdata.md b/courses/mathdata.md
index 3bd64edd731e40a93a131e962663fc64e8a5b3c0..c229a56aa772addd77439c9c36871e853cd68efc 100644
--- a/courses/mathdata.md
+++ b/courses/mathdata.md
@@ -7,7 +7,10 @@ semesters:
     - SS20
 ---
 
-The main goal of this seminar is to build and interconnect the community of people
+This seminar grew out of the planned April 2020 [bilateral](https://kwarc.info/projects/mdh/)
+workshop on mathematical data from Ljubljana to an online setting.
+
+The main goal is to build and interconnect the community of people
 interested in data generated within mathematical research as well as data related 
 to mathematics in other ways.