diff --git a/lectures/revealjs/04-lecture.adoc b/lectures/revealjs/04-lecture.adoc
index b7831998ba6c75e1a4902f3c95f7af9d9940aca0..b786b0bb3b26e8c6ded87683874870d45850a88e 100644
--- a/lectures/revealjs/04-lecture.adoc
+++ b/lectures/revealjs/04-lecture.adoc
@@ -9,7 +9,7 @@ include::{includedir}header.adoc[]
 
 
 [.smaller-80][.center-paragraph]
-IT1901 Fall 2021 - {LECTURE_NO}
+IT1901 Fall 2022 - {LECTURE_NO}
 
 == Overview