From 118f1f75434bb69428aebd6094301bcdeae400c8 Mon Sep 17 00:00:00 2001
From: Rangi <sylvie.oukaour+rangi42@gmail.com>
Date: Fri, 10 Jul 2026 16:59:30 -0400
Subject: [PATCH] Correct option letter in error message

---
 src/gfx/main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gfx/main.cpp b/src/gfx/main.cpp
index 4146b9cf..5f411d7f 100644
--- a/src/gfx/main.cpp
+++ b/src/gfx/main.cpp
@@ -217,7 +217,7 @@ static void parseArg(int ch, char *arg) {
 	case 'd':
 		options.bitDepth = readNumber(argPtr, "Bit depth", 2);
 		if (*argPtr != '\0') {
-			error("Bit depth ('-b') argument must be a valid number, not \"%s\"", arg);
+			error("Bit depth ('-d') argument must be a valid number, not \"%s\"", arg);
 		} else if (options.bitDepth != 1 && options.bitDepth != 2) {
 			error("Bit depth must be 1 or 2, not %" PRIu8, options.bitDepth);
 			options.bitDepth = 2;