diff --git a/drivers/afio_regs.h b/drivers/afio_regs.h
index 55bdde0..aa34561 100644
--- a/drivers/afio_regs.h
+++ b/drivers/afio_regs.h
@@ -6,8 +6,8 @@
  * defined here.
  */
 
-#ifndef _IO_REGS_H_
-#define _IO_REGS_H_
+#ifndef _AFIO_REGS_H_
+#define _AFIO_REGS_H_
 
 //--includes--------------------------------------------------------------------
 
diff --git a/drivers/exti.c b/drivers/exti.c
index 1139105..686f37f 100644
--- a/drivers/exti.c
+++ b/drivers/exti.c
@@ -188,7 +188,7 @@ void exti_reset_peripheral(void)
 
 //--local functions-------------------------------------------------------------
 
-//--ISRs -----------------------------------------------------------------------
+//--ISRs------------------------------------------------------------------------
 
 void hdr_exti0(void)
 {