diff --git a/seminar.md b/seminar.md
index 5172b8a7170db10e25faa6b8d1d7f27e5880c7b9..81b47402d7a97c96898ccbdfc44d32e79e0a2e52 100644
--- a/seminar.md
+++ b/seminar.md
@@ -57,7 +57,7 @@ and a mattermost channel for chat. To join the mattermost channel:
 
 |Date|Speaker|Title/Topic|
 |----|-------|-----------|
-|?| Dennis Müller/Michael Kohlhase | sTeX 3 – Semantic LaTeX Reimagined |
+|2022-05-30 (?) | Dennis Müller/Michael Kohlhase | sTeX 3 – Semantic LaTeX Reimagined |
 |2022-05-02| ? | ? |
 |2022-03-21| Deyan Ginev | ar5iv.org – a new preview platform for the arXMLiv dataset |
 |2022-02-07| Deyan Ginev | **rescheduled for March 21** ar5iv.org – a new preview platform for the arXMLiv dataset ([slides](https://prodg.org/talks/ar5iv_launch))|