diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index 92b6e958cfed..53d4abefa6ff 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -44,7 +44,7 @@ struct ioh_regs {
 
 /**
  * struct ioh_gpio_reg_data - The register store data.
- * @ien_reg	To store contents of interrupt enable register.
+ * @ien_reg:	To store contents of interrupt enable register.
  * @imask_reg:	To store contents of interrupt mask regist
  * @po_reg:	To store contents of PO register.
  * @pm_reg:	To store contents of PM register.