diff --git a/arch/arm/src/armv7-a/arm_mmu.c b/arch/arm/src/armv7-a/arm_mmu.c
index f82490caf8c..0e417af649f 100644
--- a/arch/arm/src/armv7-a/arm_mmu.c
+++ b/arch/arm/src/armv7-a/arm_mmu.c
@@ -194,7 +194,7 @@ void mmu_invalidate_region(uint32_t vstart, size_t size)
   uint32_t vaddr = vstart & 0xfffff000;
   uint32_t vend  = vaddr + size;
 
-  /* Loop, writing each mapping into the L1 page table */
+  /* Loop, invalidating regions */
 
   while (vaddr < vend)
     {