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-rw-r--r--usr.sbin/iostat/iostat.87
1 files changed, 6 insertions, 1 deletions
diff --git a/usr.sbin/iostat/iostat.8 b/usr.sbin/iostat/iostat.8
index f43389f..b946695 100644
--- a/usr.sbin/iostat/iostat.8
+++ b/usr.sbin/iostat/iostat.8
@@ -75,7 +75,12 @@ statistics
.Op Fl M Ar core
.Op Fl n Ar devs
.Op Fl N Ar system
-.Op Fl t Ar type,if,pass
+.Oo
+.Fl t
+.Sm off
+.Ar type , if , pass
+.Sm on
+.Oc
.Op Fl w Ar wait
.Op Ar drives
.Sh DESCRIPTION
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