From 91f1754ed9d2cc2d392a91f58186e7ee3c587fa9 Mon Sep 17 00:00:00 2001
From: Ralf Grillenberger <h-a-l-9000@users.sourceforge.net>
Date: Mon, 25 Jan 2010 19:55:28 +0000
Subject: [PATCH] Clarify that the serial port irq parameter is optional.

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3539
---
 src/dosbox.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dosbox.cpp b/src/dosbox.cpp
index 672f5546..e385f228 100644
--- a/src/dosbox.cpp
+++ b/src/dosbox.cpp
@@ -610,7 +610,7 @@ void DOSBOX_Init(void) {
 		"set type of device connected to com port.\n"
 		"Can be disabled, dummy, modem, nullmodem, directserial.\n"
 		"Additional parameters must be in the same line in the form of\n"
-		"parameter:value. Parameter for all types is irq.\n"
+		"parameter:value. Parameter for all types is irq (optional).\n"
 		"for directserial: realport (required), rxdelay (optional).\n"
 		"                 (realport:COM1 realport:ttyS0).\n"
 		"for modem: listenport (optional).\n"