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-rw-r--r--qemu-nbd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/qemu-nbd.c b/qemu-nbd.c
index d9644b2431..9518b75a3a 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -102,7 +102,7 @@ static void usage(const char *name)
 "      --aio=MODE            set AIO mode (native or threads)\n"
 #endif
 "      --discard=MODE        set discard mode (ignore, unmap)\n"
-"      --detect-zeroes=MODE  set detect-zeroes mode (off, on, discard)\n"
+"      --detect-zeroes=MODE  set detect-zeroes mode (off, on, unmap)\n"
 "\n"
 "Report bugs to <qemu-devel@nongnu.org>\n"
     , name, NBD_DEFAULT_PORT, "DEVICE");