diff --git a/misc/config_tools/schema/VMtypes.xsd b/misc/config_tools/schema/VMtypes.xsd
index 4f67129ee..5caedefb6 100644
--- a/misc/config_tools/schema/VMtypes.xsd
+++ b/misc/config_tools/schema/VMtypes.xsd
@@ -211,8 +211,8 @@ The size is a subset of the VM's total memory size specified on the Basic tab.</
 <xs:complexType name="VuartEndpointType">
   <xs:sequence>
     <xs:element name="vm_name" type="xs:string">
-      <xs:annotation acrn:title="vUART connection VM name">
-        <xs:documentation>vUART connection VM name</xs:documentation>
+      <xs:annotation acrn:title="vUART VM name">
+        <xs:documentation>Specify the VM name of one end point for this vUART connection.</xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="io_port" type="HexFormat">