diff --git a/arch/arm/src/imx6/chip.h b/arch/arm/src/imx6/chip.h
index 7ffb923c0f..27ec41854c 100644
--- a/arch/arm/src/imx6/chip.h
+++ b/arch/arm/src/imx6/chip.h
@@ -151,8 +151,8 @@
  * Name: up_intstack_base
  *
  * Description:
- *   Return a pointer to the "base" the correct interrupt stack for the
- *   current CPU.
+ *   Return a pointer to the "base" the correct interrupt stack allocation
+ *   for the  current CPU.
  *
  ****************************************************************************/
 
diff --git a/arch/arm/src/lc823450/chip.h b/arch/arm/src/lc823450/chip.h
index 5e31052e2d..2b0021b510 100644
--- a/arch/arm/src/lc823450/chip.h
+++ b/arch/arm/src/lc823450/chip.h
@@ -135,8 +135,8 @@ extern "C"
  * Name: up_intstack_base
  *
  * Description:
- *   Set the current stack pointer to the  "top" the correct interrupt stack
- *   for the current CPU.
+ *   Set the current stack pointer to the "base" the correct interrupt stack
+ *   allocation for the current CPU.
  *
  ****************************************************************************/