diff --git a/README.md b/README.md
index 032de64..a6329f2 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ Simple external esp using gdi overlay to render esp boxes on top of cs2 highligh
 1. Go to unknwoncheats post [**cs2-external-esp**](https://www.unknowncheats.me/forum/counter-strike-2-a/600259-cs2-external-esp.html)
 2. Click on the binary file you want to download and download it.
 3. Open the binary file and cs2 (doesnt matter which one goes first)
+❗ Make sure your game is in full screen windowed
 
 ## 📘 Developer Instructions