diff --git a/README.md b/README.md
index e11b0b2..7bb4fc7 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,9 @@ SimpleBeacon:
 Serial commands:
 
 	Serial control at 115200 8N1 and NL&CR termination
-	
+
+	bright [0-255] - display bright
+        	EXAMPLE: bright 128
 	clr - clear display
 	sleep - power sleep, wakeup on BTN_B
 	qrc [text] - show QRCODE with text