diff --git a/README.md b/README.md
index 65a269c..f3fcf55 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-MacOS alert if the battery exceeds certain percentage charge limits to maintain health.
+It is recommended that the ⚡️battery⚡️ of a device is between 45% and 80% to extend its life. This script alert if the battery exceeds certain percentage charge limits to maintain health. Only for MacOS.
 
 **Emacs Lisp 100.0%**