diff --git a/yaml/com/intel/Control/NMISource.interface.yaml b/yaml/com/intel/Control/NMISource.interface.yaml
index a172159..5d95eff 100644
--- a/yaml/com/intel/Control/NMISource.interface.yaml
+++ b/yaml/com/intel/Control/NMISource.interface.yaml
@@ -5,7 +5,7 @@
       type: enum[self.BMCSourceSignal]
       description: >
           Keeps track of NMI signal source in BMC.
-      default: 'None'
+      default: "None"
     - name: Enabled
       type: boolean
       description: >
@@ -13,34 +13,34 @@
       default: true
 
 enumerations:
-   - name: BMCSourceSignal
-     description: >
-       The type of NMI source.
-     values:
-       - name: None
-         description: >
-           NONE NMI signal.
-       - name: FpBtn
-         description: >
-           Via Front Panel NMI button.
-       - name: WdPreTimeout
-         description: >
-           Via watchdog pre-timeout.
-       - name: PefMatch
-         description: >
-           Via PEF match.
-       - name: ChassisCmd
-         description: >
-           Via Chassis command.
-       - name: MemoryError
-         description: >
-           Via memory error.
-       - name: PciSerrPerr
-         description: >
-           Via PCI SERR PERR.
-       - name: SouthbridgeNmi
-         description: >
-           Via southbridge NMI.
-       - name: ChipsetNmi
-         description: >
-           Via chipset NMI.
+    - name: BMCSourceSignal
+      description: >
+          The type of NMI source.
+      values:
+          - name: None
+            description: >
+                NONE NMI signal.
+          - name: FpBtn
+            description: >
+                Via Front Panel NMI button.
+          - name: WdPreTimeout
+            description: >
+                Via watchdog pre-timeout.
+          - name: PefMatch
+            description: >
+                Via PEF match.
+          - name: ChassisCmd
+            description: >
+                Via Chassis command.
+          - name: MemoryError
+            description: >
+                Via memory error.
+          - name: PciSerrPerr
+            description: >
+                Via PCI SERR PERR.
+          - name: SouthbridgeNmi
+            description: >
+                Via southbridge NMI.
+          - name: ChipsetNmi
+            description: >
+                Via chipset NMI.