diff --git a/Tutorial-01-:-UI.md b/Tutorial-01-:-UI.md
index 03398bc..e0fa89e 100644
--- a/Tutorial-01-:-UI.md
+++ b/Tutorial-01-:-UI.md
@@ -1,4 +1,4 @@
-**The tutorial is out of date for DCS Liberation 3.0.** See the other sections of [the manual](https://github.com/dcs-liberation/dcs_liberation/wiki) for help. If you want to help us update the tutorial, [join the #doc-maintenance channel in our discord](https://discord.gg/fpJRYBV9).
+**The tutorial is out of date for DCS Liberation 4.0.** See the other sections of [the manual](https://github.com/dcs-liberation/dcs_liberation/wiki) for help. If you want to help us update the tutorial, [join the #doc-maintenance channel in our discord](https://discord.gg/fpJRYBV9).
 
 Now that you have started a campaign, let's go through the UI to get an understanding of what is displayed first.