(usage): Mention --help and --version.

(main): Handle flag_help and flag_version before checking for invocation errors.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/df.c b/src/df.c
index bdc834cac..af74503eb 100644
--- a/src/df.c
+++ b/src/df.c
@@ -458,7 +458,7 @@ usage ()
   fprintf (stderr, "\
 Usage: %s [-aikPv] [-t fstype] [-x fstype] [--all] [--inodes]\n\
 \t[--type=fstype] [--exclude-type=fstype] [--kilobytes] [--portability]\n\
-\t[path...]\n",
+\t[--help] [--version] [path...]\n",
 	   program_name);
   exit (1);
 }