diff --git a/README.md b/README.md
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+++ b/README.md
@@ -5,3 +5,15 @@ A Stellarium game made for The icam Game jam 2024, using the Bevy game engine
 Star data from : [YaleBrightStarCatalog (Bretton Wade)](https://github.com/brettonw/YaleBrightStarCatalog/blob/master/bsc5-short.json) (MIT License, Copyright (c) 2016 Bretton Wade)
 
 Constellation data from :[Lizard Tail (Isana Kashiwai)](https://www.lizard-tail.com/isana/lab/starlitnight/)
+
+## Tips
+
+There is one information that is not yet explained in the game : you can left click and drag to move around.
+
+## Demo
+
+You can check it out [on my website](https://www.penwing.org/assets/games/Astraea/web/index.html)
+
+but here is a sneak peek :
+
+![](doc/screenshot.png)
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