diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
index 7cb24e4de..66988cbd0 100644
--- a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
+++ b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
@@ -419,7 +419,7 @@
 
 #define STM32_HAS_USB                       FALSE
 
-/* IWDG attributes.*/2
+/* IWDG attributes.*/
 #define STM32_HAS_IWDG                      TRUE
 #define STM32_IWDG_IS_WINDOWED              FALSE