diff --git a/arch/m32r/kernel/irq.c b/arch/m32r/kernel/irq.c
index f8d8650..d0c5b0b 100644
--- a/arch/m32r/kernel/irq.c
+++ b/arch/m32r/kernel/irq.c
@@ -71,7 +71,7 @@
 }
 
 /*
- * do_IRQ handles all normal device IRQ's (the special
+ * do_IRQ handles all normal device IRQs (the special
  * SMP cross-CPU interrupts have their own specific
  * handlers).
  */
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index 916faf6..a753d79 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -358,7 +358,7 @@
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 	if (signr > 0) {
-		/* Reenable any watchpoints before delivering the
+		/* Re-enable any watchpoints before delivering the
 		 * signal to user space. The processor register will
 		 * have been cleared if the watchpoint triggered
 		 * inside the kernel.
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c
index 3601291..c837bc13 100644
--- a/arch/m32r/kernel/smp.c
+++ b/arch/m32r/kernel/smp.c
@@ -202,7 +202,7 @@
 }
 
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* TLB flush request Routins                                                 */
+/* TLB flush request Routines                                                */
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
 
 /*==========================================================================*
@@ -378,7 +378,7 @@
  * Name:         flush_tlb_others
  *
  * Description:  This routine requests other CPU to execute flush TLB.
- *               1.Setup parmeters.
+ *               1.Setup parameters.
  *               2.Send 'INVALIDATE_TLB_IPI' to other CPU.
  *                 Request other CPU to execute 'smp_invalidate_interrupt()'.
  *               3.Wait for other CPUs operation finished.
@@ -502,7 +502,7 @@
 }
 
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Stop CPU request Routins                                                 */
+/* Stop CPU request Routines                                                 */
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
 
 /*==========================================================================*
@@ -566,7 +566,7 @@
 }
 
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Call function Routins                                                     */
+/* Call function Routines                                                    */
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
 
 /*==========================================================================*
@@ -690,7 +690,7 @@
 }
 
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Timer Routins                                                             */
+/* Timer Routines                                                            */
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
 
 /*==========================================================================*
@@ -802,7 +802,7 @@
 }
 
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Send IPI Routins                                                          */
+/* Send IPI Routines                                                         */
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
 
 /*==========================================================================*
@@ -814,7 +814,7 @@
  *
  * Arguments:    ipi_num - Number of IPI
  *               try -  0 : Send IPI certainly.
- *                     !0 : The following IPI is not sended when Target CPU
+ *                     !0 : The following IPI is not sent when Target CPU
  *                          has not received the before IPI.
  *
  * Returns:      void (cannot fail)
@@ -844,7 +844,7 @@
  * Arguments:    cpu_mask - Bitmap of target CPUs logical ID
  *               ipi_num - Number of IPI
  *               try -  0 : Send IPI certainly.
- *                     !0 : The following IPI is not sended when Target CPU
+ *                     !0 : The following IPI is not sent when Target CPU
  *                          has not received the before IPI.
  *
  * Returns:      void (cannot fail)
@@ -885,7 +885,7 @@
  * Arguments:    cpu_mask - Bitmap of target CPUs physical ID
  *               ipi_num - Number of IPI
  *               try -  0 : Send IPI certainly.
- *                     !0 : The following IPI is not sended when Target CPU
+ *                     !0 : The following IPI is not sent when Target CPU
  *                          has not received the before IPI.
  *
  * Returns:      IPICRi regster value.
diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c
index 9dae410..0e383da 100644
--- a/arch/m32r/kernel/smpboot.c
+++ b/arch/m32r/kernel/smpboot.c
@@ -133,7 +133,7 @@
 static void unmap_cpu_to_physid(int, int);
 
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Boot up APs Routins : BSP                                                 */
+/* Boot up APs Routines : BSP                                                */
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
 void __devinit smp_prepare_boot_cpu(void)
 {
@@ -404,7 +404,7 @@
 }
 
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Activate a secondary processor Routins                                    */
+/* Activate a secondary processor Routines                                   */
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
 
 /*==========================================================================*
@@ -509,7 +509,7 @@
 }
 
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Boot up CPUs common Routins                                               */
+/* Boot up CPUs common Routines                                              */
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
 static void __init show_mp_info(int nr_cpu)
 {
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
index 0fc2efe..6d7a80f 100644
--- a/arch/m32r/kernel/sys_m32r.c
+++ b/arch/m32r/kernel/sys_m32r.c
@@ -214,7 +214,7 @@
 
 asmlinkage int sys_cacheflush(void *addr, int bytes, int cache)
 {
-	/* This should flush more selectivly ...  */
+	/* This should flush more selectively ...  */
 	_flush_cache_all();
 	return 0;
 }