git: f4b00609ec08 - main - backlight(8): Update usage() to match the manual page

The branch main has been updated by 0mp (doc, ports committer):

URL: https://cgit.FreeBSD.org/src/commit/?id=f4b00609ec081f42af07168c7caa6766512749bd

commit f4b00609ec081f42af07168c7caa6766512749bd
Author:     Mateusz Piotrowski <0mp@FreeBSD.org>
AuthorDate: 2022-07-19 14:56:27 +0000
Commit:     Mateusz Piotrowski <0mp@FreeBSD.org>
CommitDate: 2022-07-19 14:56:27 +0000

    backlight(8): Update usage() to match the manual page
    
    MFC after:      1 week
---
 usr.bin/backlight/backlight.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/usr.bin/backlight/backlight.c b/usr.bin/backlight/backlight.c
index 7c3f295223f5..b90d46d49f64 100644
--- a/usr.bin/backlight/backlight.c
+++ b/usr.bin/backlight/backlight.c
@@ -65,11 +65,11 @@ static void
 usage(void)
 {
 	fprintf(stderr, "Usage:\n");
-	fprintf(stderr, "\tbacklight [-f dev]\n");
-	fprintf(stderr, "\tbacklight [-f dev] -i\n");
-	fprintf(stderr, "\tbacklight [-f dev] <percent>\n");
-	fprintf(stderr, "\tbacklight [-f dev] incr|+ <percent>\n");
-	fprintf(stderr, "\tbacklight [-f dev] decr|- <percent>\n");
+	fprintf(stderr, "\tbacklight [-q] [-f device]\n");
+	fprintf(stderr, "\tbacklight [-q] [-f device] -i\n");
+	fprintf(stderr, "\tbacklight [-f device] value\n");
+	fprintf(stderr, "\tbacklight [-f device] incr|+ value\n");
+	fprintf(stderr, "\tbacklight [-f device] decr|- value\n");
 	exit(1);
 }