diff --git a/ubb-vga/ubb-vga.c b/ubb-vga/ubb-vga.c
index a0a38a4..f68b4a4 100644
--- a/ubb-vga/ubb-vga.c
+++ b/ubb-vga/ubb-vga.c
@@ -470,7 +470,7 @@ static void list_modes(void)
 static void usage(const char *name)
 {
 	fprintf(stderr,
-"usage: %s [-2] [-t] [-r resolution] [frames [file]]\n"
+"usage: %s [-2] [-t] [-m resolution] [frames [file]]\n"
 "       %s -l\n\n"
 "  frames  number of frames to display\n"
 "  file    PPM file\n\n"