renice: tweak help text

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/procps/renice.c b/procps/renice.c
index 77f400a1d643bbfd174005bda1a9246cf7ed0f02..2b690e0ed0744707a1b263cb8695a163f43c4147 100644 (file)
--- a/procps/renice.c
+++ b/procps/renice.c
@@ -20,13 +20,14 @@
  */
 
 //usage:#define renice_trivial_usage
-//usage:       "{{-n INCREMENT} | PRIORITY} [[-p | -g | -u] ID...]"
+//usage:       "[-n] PRIORITY [[-p | -g | -u] ID...]..."
 //usage:#define renice_full_usage "\n\n"
-//usage:       "Change scheduling priority for a running process\n"
-//usage:     "\n       -n      Adjust current nice value (smaller is faster)"
-//usage:     "\n       -p      Process id(s) (default)"
-//usage:     "\n       -g      Process group id(s)"
-//usage:     "\n       -u      Process user name(s) and/or id(s)"
+//usage:       "Change scheduling priority of a running process\n"
+//usage:     "\n       -n      Add PRIORITY to current nice value"
+//usage:     "\n               Without -n, nice value is set to PRIORITY"
+//usage:     "\n       -p      Process ids (default)"
+//usage:     "\n       -g      Process group ids"
+//usage:     "\n       -u      Process user names"
 
 #include "libbb.h"
 #include <sys/resource.h>