diff --git a/Documentation/devicetree/bindings/net/fsl,fec.yaml b/Documentation/devicetree/bindings/net/fsl,fec.yaml
index 7fa11f6622b189fe068180e740bf65547fa9f4bb..0f8ca4e574c6388016f9c4a16c0751784dd85932 100644
--- a/Documentation/devicetree/bindings/net/fsl,fec.yaml
+++ b/Documentation/devicetree/bindings/net/fsl,fec.yaml
@@ -82,11 +82,11 @@ properties:
     maxItems: 5
     contains:
       enum:
-      - ipg
-      - ahb
-      - ptp
-      - enet_clk_ref
-      - enet_out
+        - ipg
+        - ahb
+        - ptp
+        - enet_clk_ref
+        - enet_out
 
   phy-mode: true