diff --git a/include/nanokernel/arc/v2/irq.h b/include/nanokernel/arc/v2/irq.h
index 4fc3dcac3e6..70954b50d7c 100644
--- a/include/nanokernel/arc/v2/irq.h
+++ b/include/nanokernel/arc/v2/irq.h
@@ -73,7 +73,7 @@ extern void _irq_exit(void);
 
 /*******************************************************************************
 *
-* irq_lock_inline - disable all interrupts on the local CPU (inline)
+* irq_lock_inline - disable all interrupts on the CPU (inline)
 *
 * See irq_lock() for full description
 *
@@ -93,7 +93,7 @@ static ALWAYS_INLINE unsigned int irq_lock_inline(void)
 
 /*******************************************************************************
 *
-* irq_unlock_inline - enable all interrupts on the local CPU (inline)
+* irq_unlock_inline - enable all interrupts on the CPU (inline)
 *
 * See irq_unlock() for full description
 *
diff --git a/include/nanokernel/arm/CortexM/irq.h b/include/nanokernel/arm/CortexM/irq.h
index 013768e9f62..e85999ab87a 100644
--- a/include/nanokernel/arm/CortexM/irq.h
+++ b/include/nanokernel/arm/CortexM/irq.h
@@ -73,7 +73,7 @@ extern void _IntExit(void);
 
 /*******************************************************************************
 *
-* irq_lock_inline - disable all interrupts on the local CPU (inline)
+* irq_lock_inline - disable all interrupts on the CPU (inline)
 *
 * This routine disables interrupts.  It can be called from either interrupt,
 * task or fiber level.  This routine returns an architecture-dependent
@@ -131,9 +131,9 @@ static ALWAYS_INLINE unsigned int irq_lock_inline(void)
 
 /*******************************************************************************
 *
-* irq_unlock_inline - enable all interrupts on the local CPU (inline)
+* irq_unlock_inline - enable all interrupts on the CPU (inline)
 *
-* This routine re-enables interrupts on the local CPU.  The <key> parameter
+* This routine re-enables interrupts on the CPU.  The <key> parameter
 * is an architecture-dependent lock-out key that is returned by a previous
 * invocation of irq_lock_inline().
 *
diff --git a/include/nanokernel/x86/arch.h b/include/nanokernel/x86/arch.h
index 63beffcfa3c..1c4bf92ea73 100644
--- a/include/nanokernel/x86/arch.h
+++ b/include/nanokernel/x86/arch.h
@@ -265,7 +265,7 @@ void _int_latency_stop (void);
 
 /*******************************************************************************
 *
-* irq_lock_inline - disable all interrupts on the local CPU (inline)
+* irq_lock_inline - disable all interrupts on the CPU (inline)
 *
 * This routine disables interrupts.  It can be called from either interrupt,
 * task or fiber level.  This routine returns an architecture-dependent
@@ -339,9 +339,9 @@ __asm volatile unsigned int irq_lock_inline (void)
 
 /*******************************************************************************
 *
-* irq_unlock_inline - enable all interrupts on the local CPU (inline)
+* irq_unlock_inline - enable all interrupts on the CPU (inline)
 *
-* This routine re-enables interrupts on the local CPU.  The <key> parameter
+* This routine re-enables interrupts on the CPU.  The <key> parameter
 * is an architecture-dependent lock-out key that is returned by a previous
 * invocation of irq_lock_inline().
 *