diff --git a/lerntagebuch.md b/lerntagebuch.md
index b30b4f6..73caf81 100644
--- a/lerntagebuch.md
+++ b/lerntagebuch.md
@@ -261,7 +261,7 @@
 
 
 
-## SU 9 (2023-01-25)
+## SU 10 (2023-01-25)
 
 ### Lernziel