*: --help tweaks

function                                             old     new   delta
packed_usage                                       33589   33552     -37

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

1 files changed, 2 insertions, 1 deletions

diff --git a/util-linux/ionice.c b/util-linux/ionice.c
index c8fb1a777..ff5177abb 100644
--- a/util-linux/ionice.c
+++ b/util-linux/ionice.c
@@ -18,7 +18,8 @@
 //kbuild:lib-$(CONFIG_IONICE) += ionice.o
 
 //usage:#define ionice_trivial_usage
-//usage:        "[-c 1-3] [-n 0-7] [-p PID] [PROG ARGS]"
+//usage:        "[-c 1-3] [-n 0-7] { -p PID | PROG ARGS }"
+//TODO: | -P PGID | -u UID; also -pPu can take _list of_ IDs
 //usage:#define ionice_full_usage "\n\n"
 //usage:       "Change I/O priority and class\n"
 //usage:     "\n        -c N    Class. 1:realtime 2:best-effort 3:idle"