doc: add "..." to Usage, to indicate there may be multiple OPTIONs

* src/base64.c (usage): Likewise.
* src/cat.c (usage): Likewise.
* src/md5sum.c (usage): Likewise.
* src/mkdir.c (usage): Likewise.
* src/mkfifo.c (usage): Likewise.
* src/split.c (usage): Likewise.
* src/stat.c (usage): Likewise.
Heiko Marr reported the problem with mkdir.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cat.c b/src/cat.c
index d762f4549..9c1996a67 100644
--- a/src/cat.c
+++ b/src/cat.c
@@ -90,7 +90,7 @@ usage (int status)
   else
     {
       printf (_("\
-Usage: %s [OPTION] [FILE]...\n\
+Usage: %s [OPTION]... [FILE]...\n\
 "),
 	      program_name);
       fputs (_("\