diff --git a/courses/wuv.md b/courses/wuv.md
index 6d06c4aafe8d40728f6215345c7bf93ea89359b1..b28af4f631fba310d5d150f04759e13dfaac2d89 100644
--- a/courses/wuv.md
+++ b/courses/wuv.md
@@ -27,7 +27,7 @@ die Arbeitsgruppe einzusteigen (z.B. für eine Promotion).
 | 1. 11. 2017 | Allerheiligen | ------ |
 | 8. 11. 2017| Tom Wiesing| Virtual Theories as a Uniform Interface to Mathematical Data Sources|
 | 15. 11. 2017 | Michael Kohlhase| Knowledge-Based Interoperability for Mathematical Software Systems|
-| 22. 11. 2017 | ???? | ????? | 
+| 22. 11. 2017 | ----- | ----- | 
 | 29. 11. 2017| Theresa Pollinger|Model Knowledge Representation for HPC|
 | ?.?? 2017| Jonas Butz |Mathematical models as research data via flexiformal theory graphs|