diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
index d668d0fbea75..3c0df4016a12 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
@@ -99,7 +99,7 @@ properties:
       dedicated write-protect detection logic. If a GPIO is always used
       for the write-protect detection logic, it is sufficient to not
       specify the wp-gpios property in the absence of a write-protect
-      line.
+      line. Not used in combination with eMMC or SDIO.
 
   wp-gpios:
     description: