diff --git a/content/de/posts/2023-12-28-open-seats.md b/content/de/posts/2023-12-28-open-seats.md
index 5b0cdb8..c189aac 100644
--- a/content/de/posts/2023-12-28-open-seats.md
+++ b/content/de/posts/2023-12-28-open-seats.md
@@ -1,5 +1,5 @@
 ---
-title: 'Kurzfristige Restplätze'
+title: '37c3: Kurzfristige Restplätze'
 date: 2023-12-28T09:00:00+01:00
 summary: |
   Wir haben durch kurzfristige Stornierungen bei fast allen Touren ein oder zwei Plätze frei, kommt zum Hackertours-Desk zur Startzeit.
diff --git a/content/en/posts/2023-12-28-open-seats.md b/content/en/posts/2023-12-28-open-seats.md
index 0ef796f..ea54d9e 100644
--- a/content/en/posts/2023-12-28-open-seats.md
+++ b/content/en/posts/2023-12-28-open-seats.md
@@ -1,5 +1,5 @@
 ---
-title: 'Last minute open seats'
+title: '37c3: Last minute open seats'
 date: 2023-12-28T09:00:00+01:00
 summary: |
   Because some people have to cancel on short notice, we often have one or two open seats. Come to the Hackertours Desk at the start time of the tour.