diff --git a/Readme.md b/Readme.md
index 4f9c5ec..1719319 100644
--- a/Readme.md
+++ b/Readme.md
@@ -14,4 +14,5 @@ This project provide user interface to change msi Keyboard Light Color (like MSI
 How to use it ?
 -------------
 
-Simply download the jar from /lib/release/.
+Simply download the jar from /lib/release/. Maybe you need to run the jar file at root user to make
+it work !