diff --git a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
index 393bb2ed8a77..6f30b9a048da 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
@@ -17,7 +17,7 @@ Required properties:
 
 Optional properties:
 
-- interrupt-parent     : The parent interrupt controller, optional if inherited
+- interrupt-parent      : The parent interrupt controller, optional if inherited
 
 The gpio and interrupt properties are further described in their respective
 bindings documentation: