diff --git a/README.md b/README.md
index efb6bcc..d9b6a17 100644
--- a/README.md
+++ b/README.md
@@ -140,7 +140,7 @@ printed. If you want to store the data, you can use the option -e
 <cmd>. For
 every received message <cmd> is called with the arguments
 
-	id temp hum seq batfail rssi timestamp
+	id temp hum seq batfail rssi flags timestamp
 
 The timestamp is the typical Unix timestamp of the reception time.