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-rw-r--r--sys/src/cmd/iostats.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/cmd/iostats.c b/sys/src/cmd/iostats.c
index be49a11b7..dca0525b8 100644
--- a/sys/src/cmd/iostats.c
+++ b/sys/src/cmd/iostats.c
@@ -250,7 +250,7 @@ rio(Fcall *fin, Fcall *fout)
void
usage(void)
{
- fprint(2, "usage: iostats [-d] [-f debugfile] cmds [args ...]\n");
+ fprint(2, "usage: iostats [-dC] [-f debugfile] cmds [args ...]\n");
exits("usage");
}