diff --git a/reactos/include/reactos/drivers/serial/ns16550.h b/reactos/include/reactos/drivers/serial/ns16550.h
index 43f58c56845..4a69824da73 100644
--- a/reactos/include/reactos/drivers/serial/ns16550.h
+++ b/reactos/include/reactos/drivers/serial/ns16550.h
@@ -11,7 +11,7 @@
 #pragma once
 
 /* Note: These definitions are the internal definitions used by Microsoft serial
-   driver (see src/kernel/serial.h in Windows sources). Linux uses its own, as
+   driver (see src/kernel/serial/serial.h in WDK source code). Linux uses its own, as
    do most other OS.
 */