listamsb: add -r to --help output.

1 files changed, 2 insertions, 1 deletions

diff --git a/listamsb.c b/listamsb.c
index 3111735..01c6881 100644
--- a/listamsb.c
+++ b/listamsb.c
@@ -281,10 +281,11 @@ int next_line(void) {
 void print_help(void) {
 	printf("%s v" VERSION " - detokenize Atari Microsoft BASIC files\n", self);
 	puts("By B. Watson <urchlay@slackware.uk>, released under the WTFPL");
-	printf("Usage: %s [-a] [-v] [-h] [-i] [-u] [-t] [-m] [-s] [file]\n", self);
+	printf("Usage: %s [-a] [-v] [-h] [-i] [-u] [-t] [-m] [-s] [-r *start,end*] [file]\n", self);
 	puts("  -a: raw ATASCII output");
 	puts("  -c: check only (no listing)");
 	puts("  -v: verbose");
+	puts("  -r: only list lines numbered from *start* to *end*");
 	puts("  --help, -h: print this help and exit");
 	puts("  --version:  print version number and exit");
 	puts("  -i -u -t -m -s: passed to a8cat (try 'a8cat -h')");