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-rw-r--r--hmp-commands.hx2
1 files changed, 1 insertions, 1 deletions
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 6ad8806785..c857827618 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -840,7 +840,7 @@ ETEXI
{
.name = "snapshot_blkdev",
- .args_type = "device:B,snapshot_file:s?,format:s?",
+ .args_type = "device:B,snapshot-file:s?,format:s?",
.params = "device [new-image-file] [format]",
.help = "initiates a live snapshot\n\t\t\t"
"of device. If a new image file is specified, the\n\t\t\t"