syslogd,klogd: better help text

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/sysklogd/klogd.c b/sysklogd/klogd.c
index 3992081..27995e5 100644
--- a/sysklogd/klogd.c
+++ b/sysklogd/klogd.c
@@ -22,7 +22,7 @@
 //usage:#define klogd_full_usage "\n\n"
 //usage:       "Kernel logger\n"
 //usage:     "\nOptions:"
-//usage:     "\n	-c N	Only messages with level < N are printed to console"
+//usage:     "\n	-c N	Print to console messages more urgent than prio N (1-8)"
 //usage:     "\n	-n	Run in foreground"
 
 #include "libbb.h"