diff --git a/drivers/mrf24j40/mrf24j40.c b/drivers/mrf24j40/mrf24j40.c
index eab7888ab7..cf263558a7 100644
--- a/drivers/mrf24j40/mrf24j40.c
+++ b/drivers/mrf24j40/mrf24j40.c
@@ -89,7 +89,7 @@ bool mrf24j40_cca(mrf24j40_t *dev, int8_t *rssi)
     mrf24j40_assert_awake(dev);
     mrf24j40_enable_lna(dev);
 
-    /* trigger CCA measurment */
+    /* trigger CCA measurement */
     /* take a look onto datasheet chapter 3.6.1 */
     mrf24j40_reg_write_short(dev, MRF24J40_REG_BBREG6, MRF24J40_BBREG6_RSSIMODE1);
     /* wait for result to be ready */
diff --git a/drivers/mrf24j40/mrf24j40_netdev.c b/drivers/mrf24j40/mrf24j40_netdev.c
index f6864ed6e8..406b82cd6e 100644
--- a/drivers/mrf24j40/mrf24j40_netdev.c
+++ b/drivers/mrf24j40/mrf24j40_netdev.c
@@ -550,7 +550,7 @@ static void _isr(netdev_t *netdev)
         if (netdev->event_callback && (dev->netdev.flags & MRF24J40_OPT_TELL_TX_END)) {
             uint8_t txstat = mrf24j40_reg_read_short(dev, MRF24J40_REG_TXSTAT);
             dev->tx_retries = (txstat >> MRF24J40_TXSTAT_MAX_FRAME_RETRIES_SHIFT);
-            /* transmision failed */
+            /* transmission failed */
             if (txstat & MRF24J40_TXSTAT_TXNSTAT) {
                 /* TX_NOACK - CCAFAIL */
                 if (txstat & MRF24J40_TXSTAT_CCAFAIL) {