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-rw-r--r--qapi/block-core.json5
1 files changed, 3 insertions, 2 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index f081eb8c56..fba1718cef 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1128,7 +1128,7 @@
 # See DriveMirror for parameter descriptions
 #
 # Returns: nothing on success
-#          If @device is not a valid block device, DeviceNotFound
+#          If @device is not a valid block device, GenericError
 #
 # Since 1.3
 ##
@@ -1143,7 +1143,8 @@
 # @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 whose writes should be mirrored.
+# @device:  the device name or node-name of a root node whose writes should be
+#           mirrored.
 #
 # @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