diff --git a/doc/Commands.txt b/doc/Commands.txt
index e049f5ef..dde1498d 100644
--- a/doc/Commands.txt
+++ b/doc/Commands.txt
@@ -668,10 +668,13 @@ Administrative Commands
 	 - RFC 2812, 3.4.7 "Connect message"
 
 - DIE
-	DIE
+	DIE [<message>]
 	.
 	Instructs the server to shut down.
 	.
+	The optional (and non-standard) <message> text is sent to each client
+	connected to this server before all connections are closed.
+	.
 	To use this command, the user must be an IRC Operator.
 
 	References: