diff --git a/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt b/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
index fa01db7eb66c5d79b433a8c9294374a2bdcbad5a..f79854783c2c342655b37e1ffc31cb3cb3f2a02e 100644
--- a/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
+++ b/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
@@ -116,7 +116,7 @@ Parallel display support
 Required properties:
 - compatible: Should be "fsl,imx-parallel-display"
 Optional properties:
-- interface_pix_fmt: How this display is connected to the
+- interface-pix-fmt: How this display is connected to the
   display interface. Currently supported types: "rgb24", "rgb565", "bgr666"
   and "lvds666".
 - edid: verbatim EDID data block describing attached display.