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-rw-r--r--qapi/block-core.json4
1 files changed, 2 insertions, 2 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index d25ba46b77..f081eb8c56 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -876,7 +876,7 @@
# @job-id: #optional identifier for the newly-created block job. If
# omitted, the device name will be used. (Since 2.7)
#
-# @device: the name of the device which should be copied.
+# @device: the device name or node-name of a root node which should be copied.
#
# @target: the target of the new image. If the file exists, or if it
# is a device, the existing file/device will be used as the new
@@ -1087,7 +1087,7 @@
# For the arguments, see the documentation of DriveBackup.
#
# Returns: nothing on success
-# If @device is not a valid block device, DeviceNotFound
+# If @device is not a valid block device, GenericError
#
# Since 1.6
##