diff --git a/drivers/can/can.c b/drivers/can/can.c
index 6465e222161..d2c87067bf8 100644
--- a/drivers/can/can.c
+++ b/drivers/can/can.c
@@ -317,7 +317,7 @@ static int can_close(FAR struct file *filep)
 
           nxsem_post(&fifo->rx_sem);
 
-          /* Notify specfic poll/select waiter that they can read from the
+          /* Notify specific poll/select waiter that they can read from the
            * cd_recv buffer
            */
 
@@ -904,7 +904,7 @@ static int can_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
       case CANIOC_SET_TRANSVSTATE:
         {
           /* if we don't use dev->cd_transv->cts_ops, please initlize
-           * this poniter to NULL in lower board code when Board reset.
+           * this pointer to NULL in lower board code when Board reset.
            */
 
           if (dev->cd_transv && dev->cd_transv->ct_ops
@@ -927,7 +927,7 @@ static int can_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
       case CANIOC_GET_TRANSVSTATE:
         {
           /* if we don't use dev->cd_transv->cts_ops, please initlize
-           * this poniter to NULL in lower board code when Board reset.
+           * this pointer to NULL in lower board code when Board reset.
            */
 
           if (dev->cd_transv && dev->cd_transv->ct_ops
@@ -1275,7 +1275,7 @@ int can_receive(FAR struct can_dev_s *dev, FAR struct can_hdr_s *hdr,
               nxsem_post(&fifo->rx_sem);
             }
 
-          /* Notify specfic poll/select waiter that they can read from the
+          /* Notify specific poll/select waiter that they can read from the
            * cd_recv buffer
            */
 
diff --git a/drivers/can/ctucanfd_pci.c b/drivers/can/ctucanfd_pci.c
index 954b837a364..db9aa5899e4 100644
--- a/drivers/can/ctucanfd_pci.c
+++ b/drivers/can/ctucanfd_pci.c
@@ -1703,7 +1703,7 @@ static int ctucanfd_interrupt(int irq, FAR void *context, FAR void *arg)
 
       if (regval != 0)
         {
-          /* Disable RX interrupts until we handle all interrups */
+          /* Disable RX interrupts until we handle all interrupts */
 
           ctucanfd_rxint(&priv->devs[i], false);
 
@@ -1757,10 +1757,10 @@ static void ctucanfd_init(FAR struct ctucanfd_driver_s *priv)
 }
 
 /*****************************************************************************
- * Name: ctucanfd_ctucanfd_proble
+ * Name: ctucanfd_ctucanfd_probe
  *
  * Description:
- *   Proble CTUCANFD devices on board and return the number of vailalbe chips.
+ *   Probe CTUCANFD devices on board and return the number of vailalbe chips.
  *
  *****************************************************************************/
 
diff --git a/drivers/can/kvaser_pci.c b/drivers/can/kvaser_pci.c
index 88ffcfe3e90..c10d108b507 100644
--- a/drivers/can/kvaser_pci.c
+++ b/drivers/can/kvaser_pci.c
@@ -371,7 +371,7 @@ static void kvaser_setup(FAR struct kvaser_sja_s *priv)
 {
   /* REVISIT: missing bus timings configuration and output control.
    *
-   * This driver was verified on QEMU with virtual host CAN netwrok,
+   * This driver was verified on QEMU with virtual host CAN network,
    * which doesn't need bus timings and output control registers set.
    * For real hardware, these registers must be properly configured !
    */
@@ -822,7 +822,7 @@ static void kvaser_chardev_receive(FAR struct kvaser_sja_s *priv)
           canerr("ERROR: Received message with extended"
                  " identifier.  Dropped\n");
 
-          /* Relese RX buffer */
+          /* Release RX buffer */
 
           kvaser_putreg_sja(priv, SJA1000_CMD_REG, SJA1000_RELEASE_BUF);
 
@@ -1593,7 +1593,7 @@ static void kvaser_init(FAR struct kvaser_driver_s *priv)
  * Name: kvaser_count_sja
  *
  * Description:
- *   Proble SJA1000 devices on board and return the number of vailalbe chips.
+ *   Probe SJA1000 devices on board and return the number of vailalbe chips.
  *
  *****************************************************************************/