diff --git a/arch/arm/src/efm32/efm32_usbdev.c b/arch/arm/src/efm32/efm32_usbdev.c
index 6816d50b708..9ce5b6a1387 100644
--- a/arch/arm/src/efm32/efm32_usbdev.c
+++ b/arch/arm/src/efm32/efm32_usbdev.c
@@ -683,7 +683,7 @@ static const struct usbdev_ops_s g_devops =
   .pullup      = efm32_pullup,
 };
 
-/* Device error strings that may be enabled for more desciptive USB trace
+/* Device error strings that may be enabled for more descriptive USB trace
  * output.
  */
 
@@ -725,7 +725,7 @@ const struct trace_msg_t g_usb_trace_strings_deverror[] =
 };
 #endif
 
-/* Interrupt event strings that may be enabled for more desciptive USB trace
+/* Interrupt event strings that may be enabled for more descriptive USB trace
  * output.
  */
 
diff --git a/arch/arm/src/kinetis/kinetis_enet.c b/arch/arm/src/kinetis/kinetis_enet.c
index 8cf87932da2..6edc71fcd24 100644
--- a/arch/arm/src/kinetis/kinetis_enet.c
+++ b/arch/arm/src/kinetis/kinetis_enet.c
@@ -191,14 +191,14 @@ struct kinetis_driver_s
 #endif
 
   /* The DMA descriptors.  A unaligned uint8_t is used to allocate the
-   * memory; 16 is added to assure that we can meet the desciptor alignment
+   * memory; 16 is added to assure that we can meet the descriptor alignment
    * requirements.
    */
 
  uint8_t desc[NENET_NBUFFERS * sizeof(struct enet_desc_s) + 16];
 
   /* The DMA buffers.  Again, A unaligned uint8_t is used to allocate the
-   * memory; 16 is added to assure that we can meet the desciptor alignment
+   * memory; 16 is added to assure that we can meet the descriptor alignment
    * requirements.
    */
 
diff --git a/arch/arm/src/lpc214x/lpc214x_usbdev.c b/arch/arm/src/lpc214x/lpc214x_usbdev.c
index a1427d883e5..b3caf5ea3b9 100644
--- a/arch/arm/src/lpc214x/lpc214x_usbdev.c
+++ b/arch/arm/src/lpc214x/lpc214x_usbdev.c
@@ -212,7 +212,7 @@
 
 /* USB RAM  ********************************************************************
  *
- * UBS_UDCA is is list of 32 pointers to DMA desciptors located at the
+ * UBS_UDCA is is list of 32 pointers to DMA descriptors located at the
  * beginning of USB RAM.  Each pointer points to a DMA descriptor with
  * assocated DMA buffer.
  */
diff --git a/arch/arm/src/sam34/sam_udp.c b/arch/arm/src/sam34/sam_udp.c
index b933a310d5a..a79c7502740 100644
--- a/arch/arm/src/sam34/sam_udp.c
+++ b/arch/arm/src/sam34/sam_udp.c
@@ -500,7 +500,7 @@ static const struct usb_epdesc_s g_ep0desc =
   .interval      = 0
 };
 
-/* Device error strings that may be enabled for more desciptive USB trace
+/* Device error strings that may be enabled for more descriptive USB trace
  * output.
  */
 
@@ -540,7 +540,7 @@ const struct trace_msg_t g_usb_trace_strings_deverror[] =
 };
 #endif
 
-/* Interrupt event strings that may be enabled for more desciptive USB trace
+/* Interrupt event strings that may be enabled for more descriptive USB trace
  * output.
  */
 
diff --git a/arch/arm/src/sama5/sam_udphs.c b/arch/arm/src/sama5/sam_udphs.c
index dbc7c6ce1c8..e5791f4af91 100644
--- a/arch/arm/src/sama5/sam_udphs.c
+++ b/arch/arm/src/sama5/sam_udphs.c
@@ -555,7 +555,7 @@ static const struct usb_epdesc_s g_ep0desc =
 
 #ifdef CONFIG_SAMA5_UDPHS_SCATTERGATHER
 #ifdef CONFIG_SAMA5_UDPHS_PREALLOCATE
-/* This is a properly aligned pool of preallocated DMA transfer desciptors */
+/* This is a properly aligned pool of preallocated DMA transfer descriptors */
 
 static struct sam_dtd_s g_dtdpool[CONFIG_SAMA5_UDPHS_NDTDS]
                         __attribute__ ((aligned(16)));
@@ -563,7 +563,7 @@ static struct sam_dtd_s g_dtdpool[CONFIG_SAMA5_UDPHS_NDTDS]
 #endif
 
 
-/* Device error strings that may be enabled for more desciptive USB trace
+/* Device error strings that may be enabled for more descriptive USB trace
  * output.
  */
 
@@ -604,7 +604,7 @@ const struct trace_msg_t g_usb_trace_strings_deverror[] =
 };
 #endif
 
-/* Interrupt event strings that may be enabled for more desciptive USB trace
+/* Interrupt event strings that may be enabled for more descriptive USB trace
  * output.
  */
 
diff --git a/arch/arm/src/stm32/stm32_eth.c b/arch/arm/src/stm32/stm32_eth.c
index 1ef3687c04a..4b65f7129ec 100644
--- a/arch/arm/src/stm32/stm32_eth.c
+++ b/arch/arm/src/stm32/stm32_eth.c
@@ -1915,7 +1915,7 @@ static void stm32_txdone(FAR struct stm32_ethmac_s *priv)
 {
   DEBUGASSERT(priv->txtail != NULL);
 
-  /* Scan the TX desciptor change, returning buffers to free list */
+  /* Scan the TX descriptor change, returning buffers to free list */
 
   stm32_freeframe(priv);
 
diff --git a/arch/arm/src/stm32f7/stm32_ethernet.c b/arch/arm/src/stm32f7/stm32_ethernet.c
index a2ba9192512..c52e768047b 100644
--- a/arch/arm/src/stm32f7/stm32_ethernet.c
+++ b/arch/arm/src/stm32f7/stm32_ethernet.c
@@ -2042,7 +2042,7 @@ static void stm32_txdone(struct stm32_ethmac_s *priv)
 {
   DEBUGASSERT(priv->txtail != NULL);
 
-  /* Scan the TX desciptor change, returning buffers to free list */
+  /* Scan the TX descriptor change, returning buffers to free list */
 
   stm32_freeframe(priv);
 
diff --git a/arch/mips/src/pic32mx/pic32mx-ethernet.c b/arch/mips/src/pic32mx/pic32mx-ethernet.c
index 1b9c575045e..32120fba1ab 100644
--- a/arch/mips/src/pic32mx/pic32mx-ethernet.c
+++ b/arch/mips/src/pic32mx/pic32mx-ethernet.c
@@ -1005,7 +1005,7 @@ static struct pic32mx_rxdesc_s *pic32mx_rxdesc(struct pic32mx_driver_s *priv)
       rxdesc = &priv->pd_rxdesc[i];
       if ((rxdesc->status & RXDESC_STATUS_EOWN) == 0)
         {
-          /* Yes.. return a pointer to the desciptor */
+          /* Yes.. return a pointer to the descriptor */
 
           return rxdesc;
         }
diff --git a/arch/mips/src/pic32mz/pic32mz-ethernet.c b/arch/mips/src/pic32mz/pic32mz-ethernet.c
index e33c063078c..7a0e65f0975 100644
--- a/arch/mips/src/pic32mz/pic32mz-ethernet.c
+++ b/arch/mips/src/pic32mz/pic32mz-ethernet.c
@@ -1023,7 +1023,7 @@ static struct pic32mz_rxdesc_s *pic32mz_rxdesc(struct pic32mz_driver_s *priv)
       rxdesc = &priv->pd_rxdesc[i];
       if ((rxdesc->status & RXDESC_STATUS_EOWN) == 0)
         {
-          /* Yes.. return a pointer to the desciptor */
+          /* Yes.. return a pointer to the descriptor */
 
           return rxdesc;
         }