diff --git a/yaml/xyz/openbmc_project/Smbios/MDR_V2.interface.yaml b/yaml/xyz/openbmc_project/Smbios/MDR_V2.interface.yaml
index 987e0ee..4582ac2 100644
--- a/yaml/xyz/openbmc_project/Smbios/MDR_V2.interface.yaml
+++ b/yaml/xyz/openbmc_project/Smbios/MDR_V2.interface.yaml
@@ -5,154 +5,154 @@
       description: >
           Get the directory with directory index.
       parameters:
-        - name: dirIndex
-          type: byte
-          description: >
-              Directory index of SMBIOS.
+          - name: dirIndex
+            type: byte
+            description: >
+                Directory index of SMBIOS.
       returns:
-        - name: dir
-          type: array[byte]
-          description: >
-            Directory of agent.
+          - name: dir
+            type: array[byte]
+            description: >
+                Directory of agent.
       errors:
-        - self.Error.InvalidParameter
+          - self.Error.InvalidParameter
 
     - name: GetDataInformation
       description: >
           Get the data info with id index and data set ID.
       parameters:
-        - name: idIndex
-          type: byte
-          description: >
-              Index of SMBIOS directory.
+          - name: idIndex
+            type: byte
+            description: >
+                Index of SMBIOS directory.
       returns:
-        - name: dataInfo
-          type: array[byte]
-          description: >
-            Data information of SMBIOS.
+          - name: dataInfo
+            type: array[byte]
+            description: >
+                Data information of SMBIOS.
       errors:
-        - self.Error.InvalidParameter
+          - self.Error.InvalidParameter
 
     - name: SendDirectoryInformation
       description: >
-           Send directory information to SMBIOS directory.
+          Send directory information to SMBIOS directory.
       parameters:
-        - name: dirVersion
-          type: byte
-          description: >
-            A counter which increments each time directory updated.
-        - name: dirIndex
-          type: byte
-          description: >
-            Directory index of SMBIOS.
-        - name: returnedEntries
-          type: byte
-          description: >
-            Indicates number of directory entries.
-        - name: remainingEntries
-          type: byte
-          description: >
-            Remaining entries which are higher than index in this transfer.
-        - name: dirEntry
-          type: array[byte]
-          description: >
-            Data set ID of SMBIOS table.
+          - name: dirVersion
+            type: byte
+            description: >
+                A counter which increments each time directory updated.
+          - name: dirIndex
+            type: byte
+            description: >
+                Directory index of SMBIOS.
+          - name: returnedEntries
+            type: byte
+            description: >
+                Indicates number of directory entries.
+          - name: remainingEntries
+            type: byte
+            description: >
+                Remaining entries which are higher than index in this transfer.
+          - name: dirEntry
+            type: array[byte]
+            description: >
+                Data set ID of SMBIOS table.
       returns:
-        - name: status
-          type: boolean
-          description: >
-            Need to continue directory transmisson or not.
+          - name: status
+            type: boolean
+            description: >
+                Need to continue directory transmisson or not.
       errors:
-        - self.Error.InvalidParameter
+          - self.Error.InvalidParameter
 
     - name: GetDataOffer
       description: >
-           Get data set ID.
+          Get data set ID.
       returns:
-        - name: offer
-          type: array[byte]
-          description: >
-            Data set ID.
+          - name: offer
+            type: array[byte]
+            description: >
+                Data set ID.
       errors:
-        - self.Error.UpdateInProgress
+          - self.Error.UpdateInProgress
 
     - name: SendDataInformation
       description: >
-           Send data information with directory index.
+          Send data information with directory index.
       parameters:
-        - name: idIndex
-          type: byte
-          description: >
-            Index of SMBIOS directory.
-        - name: flag
-          type: byte
-          description: >
-            Valid flag to set dir entry status.
-        - name: dataLen
-          type: uint32
-          description: >
-            The length of the data in bytes.
-        - name: dataVer
-          type: uint32
-          description: >
-            The version number of this data.
-        - name: timeStamp
-          type: uint32
-          description: >
-            Timestamp determinded by the agent.
+          - name: idIndex
+            type: byte
+            description: >
+                Index of SMBIOS directory.
+          - name: flag
+            type: byte
+            description: >
+                Valid flag to set dir entry status.
+          - name: dataLen
+            type: uint32
+            description: >
+                The length of the data in bytes.
+          - name: dataVer
+            type: uint32
+            description: >
+                The version number of this data.
+          - name: timeStamp
+            type: uint32
+            description: >
+                Timestamp determinded by the agent.
       returns:
-        - name: status
-          type: boolean
-          description: >
-            Whether data changes.
+          - name: status
+            type: boolean
+            description: >
+                Whether data changes.
       errors:
-        - self.Error.InvalidParameter
+          - self.Error.InvalidParameter
 
     - name: FindIdIndex
       description: >
           Find id index by data info.
       parameters:
-        - name: dataInfo
-          type: array[byte]
-          description: >
-            Data info of data entry.
+          - name: dataInfo
+            type: array[byte]
+            description: >
+                Data info of data entry.
       returns:
-        - name: idIndex
-          type: int32
-          description: >
-            Id index of data entry.
+          - name: idIndex
+            type: int32
+            description: >
+                Id index of data entry.
       errors:
-        - self.Error.InvalidId
+          - self.Error.InvalidId
 
     - name: AgentSynchronizeData
       description: >
           Synchronize SMBIOS data from file.
       returns:
-       - name: status
-         type: boolean
-         description: >
-           Whether synchronization succeed or not.
+          - name: status
+            type: boolean
+            description: >
+                Whether synchronization succeed or not.
 
     - name: SynchronizeDirectoryCommonData
       description: >
           Synchronize directory common data.
       parameters:
-        - name: idIndex
-          type: byte
-          description: >
-            Index of SMBIOS directory.
-        - name: size
-          type: uint32
-          description: >
-           Size of data that BIOS prepare to transfer.
+          - name: idIndex
+            type: byte
+            description: >
+                Index of SMBIOS directory.
+          - name: size
+            type: uint32
+            description: >
+                Size of data that BIOS prepare to transfer.
       returns:
-        - name: commonData
-          type: array[uint32]
-          description: >
-            Directory common data includes data size, version and timestamp.
+          - name: commonData
+            type: array[uint32]
+            description: >
+                Directory common data includes data size, version and timestamp.
 
 properties:
     - name: DirectoryEntries
       type: byte
       description: >
-        Numbers of directory entries.
+          Numbers of directory entries.