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-rw-r--r--coreutils/tty.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/coreutils/tty.c b/coreutils/tty.c
index ff6f2bb..e448c27 100644
--- a/coreutils/tty.c
+++ b/coreutils/tty.c
@@ -21,7 +21,7 @@
/* http://www.opengroup.org/onlinepubs/9699919799/utilities/tty.html */
//usage:#define tty_trivial_usage
-//usage: ""
+//usage: "" IF_INCLUDE_SUSv2("[-s]")
//usage:#define tty_full_usage "\n\n"
//usage: "Print file name of stdin's terminal"
//usage: IF_INCLUDE_SUSv2( "\n"