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-rw-r--r--tools/blktap2/drivers/tapdisk2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/blktap2/drivers/tapdisk2.c b/tools/blktap2/drivers/tapdisk2.c
index d30f73984a..dae0b81efe 100644
--- a/tools/blktap2/drivers/tapdisk2.c
+++ b/tools/blktap2/drivers/tapdisk2.c
@@ -42,7 +42,7 @@
static void
usage(const char *app, int err)
{
- fprintf(stderr, "usage: %s <-u uuid> <-c control socket>\n", app);
+ fprintf(stderr, "usage: %s [-D] <-u uuid> <-c control socket>\n", app);
exit(err);
}