diff --git a/misc/config_tools/schema/VMtypes.xsd b/misc/config_tools/schema/VMtypes.xsd
index b8364f853..19dc33ed9 100644
--- a/misc/config_tools/schema/VMtypes.xsd
+++ b/misc/config_tools/schema/VMtypes.xsd
@@ -373,6 +373,82 @@ The size is a subset of the VM's total memory size specified on the Basic tab.
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+ A string with value: ``Window`` and ``Full screen``.
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+ Values of display window resolutions.
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+ Monitor id specifies which physical monitor the virtual display locates in full screen mode.
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+ Windows resolution specifies the virtual window size of user vm.
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+ The abscissa (x-axis coordinate) of the left top point of the virtual window.
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+ The ordinate (x-axis coordinate) of the left top point of the virtual window.
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+ Display type provide virtual display for user vm with either full screen mode or virtual window mode.
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diff --git a/misc/config_tools/schema/config.xsd b/misc/config_tools/schema/config.xsd
index d8a550ec6..974af8bd9 100644
--- a/misc/config_tools/schema/config.xsd
+++ b/misc/config_tools/schema/config.xsd
@@ -473,9 +473,8 @@ argument and memory.
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The virtio GPU device presents a GPU device to the VM.
This feature enables you to view the VM's GPU output in the Service VM.