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-rw-r--r--src/sleep.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/sleep.c b/src/sleep.c
index 977847771..3947a302c 100644
--- a/src/sleep.c
+++ b/src/sleep.c
@@ -1,5 +1,5 @@
/* sleep - delay for a specified amount of time.
- Copyright (C) 84, 1991-1997, 1999 Free Software Foundation, Inc.
+ Copyright (C) 84, 1991-1997, 1999-2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -60,9 +60,10 @@ usage (int status)
printf (_("\
Usage: %s NUMBER[SUFFIX]...\n\
or: %s OPTION\n\
-Pause for NUMBER seconds.\n\
-SUFFIX may be s for seconds (the default), m for minutes,\n\
-h for hours or d for days.\n\
+Pause for NUMBER seconds. SUFFIX may be `s' for seconds (the default),\n\
+`m' for minutes, `h' for hours or `d' for days. Unlike most implementations\n\
+that require NUMBER be an integer, here NUMBER may be an arbitrary floating\n\
+point number.\n\
\n\
--help display this help and exit\n\
--version output version information and exit\n\