Hi,

Yet another trivial typo patch.

Best Regards,
   Juha Niskanen
From 70af33b5cff1f137ddd7ee01afe00dd1a45a8ba4 Mon Sep 17 00:00:00 2001
From: Juha Niskanen <juha.niska...@haltian.com>
Date: Tue, 3 Mar 2020 13:57:22 +0200
Subject: [PATCH] Fix typos in comments

---
 ReleaseNotes                                      |  2 +-
 arch/arm/src/c5471/c5471_ethernet.c               |  2 +-
 arch/arm/src/imxrt/imxrt_enet.c                   |  2 +-
 arch/arm/src/kinetis/kinetis_enet.c               |  2 +-
 arch/arm/src/lpc17xx_40xx/lpc17_40_ethernet.c     |  2 +-
 arch/arm/src/lpc43xx/lpc43_ethernet.c             |  2 +-
 arch/arm/src/lpc54xx/lpc54_ethernet.c             |  2 +-
 arch/arm/src/s32k1xx/s32k1xx_enet.c               |  2 +-
 arch/arm/src/sam34/sam_emac.c                     |  2 +-
 arch/arm/src/sama5/sam_emaca.c                    |  2 +-
 arch/arm/src/sama5/sam_emacb.c                    |  2 +-
 arch/arm/src/sama5/sam_gmac.c                     |  2 +-
 arch/arm/src/samd5e5/sam_gmac.c                   |  2 +-
 arch/arm/src/samv7/sam_emac.c                     |  2 +-
 arch/arm/src/stm32/stm32_eth.c                    |  2 +-
 arch/arm/src/stm32/stm32_gpio.c                   |  2 +-
 arch/arm/src/stm32/stm32_hrtim.c                  |  2 +-
 arch/arm/src/stm32f0l0g0/stm32_gpio.c             |  2 +-
 arch/arm/src/stm32f7/stm32_ethernet.c             |  2 +-
 arch/arm/src/stm32f7/stm32_gpio.c                 |  2 +-
 arch/arm/src/stm32h7/stm32_ethernet.c             |  2 +-
 arch/arm/src/stm32h7/stm32_gpio.c                 |  2 +-
 arch/arm/src/stm32l4/stm32l4_gpio.c               |  2 +-
 arch/arm/src/tiva/lm/lm3s_ethernet.c              |  2 +-
 arch/hc/src/m9s12/m9s12_ethernet.c                |  2 +-
 arch/mips/src/pic32mx/pic32mx-ethernet.c          |  2 +-
 arch/mips/src/pic32mz/pic32mz-ethernet.c          |  2 +-
 arch/misoc/src/common/misoc_net.c                 |  2 +-
 arch/renesas/src/rx65n/rx65n_eth.c                |  2 +-
 arch/sim/src/sim/up_netdriver.c                   |  2 +-
 arch/z80/src/ez80/ez80_emac.c                     |  2 +-
 arch/z80/src/ez80/ez80f91_emac.h                  |  2 +-
 boards/arm/stm32/fire-stm32v2/README.txt          | 15 ++++++------
 boards/arm/stm32/stm3210e-eval/README.txt         | 28 +++++++++++------------
 boards/sim/sim/sim/README.txt                     | 20 ++++++++--------
 drivers/net/dm90x0.c                              |  2 +-
 drivers/net/enc28j60.c                            |  2 +-
 drivers/net/encx24j600.c                          |  2 +-
 drivers/net/ftmac100.c                            |  2 +-
 drivers/net/lan91c111.c                           |  2 +-
 drivers/net/loopback.c                            |  2 +-
 drivers/net/rpmsgdrv.c                            |  2 +-
 drivers/net/skeleton.c                            |  2 +-
 drivers/net/tun.c                                 |  4 ++--
 drivers/usbdev/cdcecm.c                           |  2 +-
 drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c |  2 +-
 include/nuttx/net/netdev.h                        |  4 ++--
 net/devif/devif_loopback.c                        |  4 ++--
 48 files changed, 79 insertions(+), 80 deletions(-)

diff --git a/ReleaseNotes b/ReleaseNotes
index efba449..229b18b 100644
--- a/ReleaseNotes
+++ b/ReleaseNotes
@@ -13914,7 +13914,7 @@ Additional new features and extended functionality:
 
       - Added support for set [{+|-}{e|x|xe|ex}] [<name> <value>].  Set the
         'exit on error control' and/or 'print a trace' of commands when
-        parsing scripts in NSH.  The settinngs are in effect from the point
+        parsing scripts in NSH.  The settings are in effect from the point
         of execution, until they are changed again, or in the case of the init
         script, the settings are returned to the default settings when it
         exits.  Included child scripts will run with the parents settings and
diff --git a/arch/arm/src/c5471/c5471_ethernet.c b/arch/arm/src/c5471/c5471_ethernet.c
index 5244762..0630758 100644
--- a/arch/arm/src/c5471/c5471_ethernet.c
+++ b/arch/arm/src/c5471/c5471_ethernet.c
@@ -1351,7 +1351,7 @@ static void c5471_receive(struct c5471_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/imxrt/imxrt_enet.c b/arch/arm/src/imxrt/imxrt_enet.c
index 3c5a1cd..099189b 100644
--- a/arch/arm/src/imxrt/imxrt_enet.c
+++ b/arch/arm/src/imxrt/imxrt_enet.c
@@ -736,7 +736,7 @@ static inline void imxrt_dispatch(FAR struct imxrt_driver_s *priv)
 
   if (BUF->type == HTONS(ETHTYPE_IP6))
     {
-      ninfo("Iv6 frame\n");
+      ninfo("IPv6 frame\n");
       NETDEV_RXIPV6(&priv->dev);
 
       /* Give the IPv6 packet to the network layer */
diff --git a/arch/arm/src/kinetis/kinetis_enet.c b/arch/arm/src/kinetis/kinetis_enet.c
index 79511fe..1e4ca54 100644
--- a/arch/arm/src/kinetis/kinetis_enet.c
+++ b/arch/arm/src/kinetis/kinetis_enet.c
@@ -695,7 +695,7 @@ static void kinetis_receive(FAR struct kinetis_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
           NETDEV_RXIPV6(&priv->dev);
 
           /* Give the IPv6 packet to the network layer */
diff --git a/arch/arm/src/lpc17xx_40xx/lpc17_40_ethernet.c b/arch/arm/src/lpc17xx_40xx/lpc17_40_ethernet.c
index 8ffc7e6..9e4dfe1 100644
--- a/arch/arm/src/lpc17xx_40xx/lpc17_40_ethernet.c
+++ b/arch/arm/src/lpc17xx_40xx/lpc17_40_ethernet.c
@@ -1013,7 +1013,7 @@ static void lpc17_40_rxdone_work(FAR void *arg)
 #ifdef CONFIG_NET_IPv6
           if (BUF->type == HTONS(ETHTYPE_IP6))
             {
-              ninfo("Iv6 frame\n");
+              ninfo("IPv6 frame\n");
               NETDEV_RXIPV6(&priv->lp_dev);
 
               /* Give the IPv6 packet to the network layer */
diff --git a/arch/arm/src/lpc43xx/lpc43_ethernet.c b/arch/arm/src/lpc43xx/lpc43_ethernet.c
index 4041e51..f2a7eff 100644
--- a/arch/arm/src/lpc43xx/lpc43_ethernet.c
+++ b/arch/arm/src/lpc43xx/lpc43_ethernet.c
@@ -1672,7 +1672,7 @@ static void lpc43_receive(FAR struct lpc43_ethmac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/lpc54xx/lpc54_ethernet.c b/arch/arm/src/lpc54xx/lpc54_ethernet.c
index 239da1c..ce8930b 100644
--- a/arch/arm/src/lpc54xx/lpc54_ethernet.c
+++ b/arch/arm/src/lpc54xx/lpc54_ethernet.c
@@ -971,7 +971,7 @@ static void lpc54_eth_rxdispatch(struct lpc54_ethdriver_s *priv)
 #ifdef CONFIG_NET_IPv6
   if (ETHBUF->type == HTONS(ETHTYPE_IP6))
     {
-      ninfo("Iv6 packet\n");
+      ninfo("IPv6 packet\n");
       NETDEV_RXIPV6(&priv->eth_dev);
 
       /* Dispatch IPv6 packet to the network layer */
diff --git a/arch/arm/src/s32k1xx/s32k1xx_enet.c b/arch/arm/src/s32k1xx/s32k1xx_enet.c
index 5ca8edf..8221c22 100644
--- a/arch/arm/src/s32k1xx/s32k1xx_enet.c
+++ b/arch/arm/src/s32k1xx/s32k1xx_enet.c
@@ -745,7 +745,7 @@ static inline void s32k1xx_dispatch(FAR struct s32k1xx_driver_s *priv)
 
   if (BUF->type == HTONS(ETHTYPE_IP6))
     {
-      ninfo("Iv6 frame\n");
+      ninfo("IPv6 frame\n");
       NETDEV_RXIPV6(&priv->dev);
 
       /* Give the IPv6 packet to the network layer */
diff --git a/arch/arm/src/sam34/sam_emac.c b/arch/arm/src/sam34/sam_emac.c
index 2d25528..f131daa 100644
--- a/arch/arm/src/sam34/sam_emac.c
+++ b/arch/arm/src/sam34/sam_emac.c
@@ -1275,7 +1275,7 @@ static void sam_receive(struct sam_emac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/sama5/sam_emaca.c b/arch/arm/src/sama5/sam_emaca.c
index 0b049a8..a4ef1ef 100644
--- a/arch/arm/src/sama5/sam_emaca.c
+++ b/arch/arm/src/sama5/sam_emaca.c
@@ -1312,7 +1312,7 @@ static void sam_receive(struct sam_emac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/sama5/sam_emacb.c b/arch/arm/src/sama5/sam_emacb.c
index c685e7d..631ec41 100644
--- a/arch/arm/src/sama5/sam_emacb.c
+++ b/arch/arm/src/sama5/sam_emacb.c
@@ -1647,7 +1647,7 @@ static void sam_receive(struct sam_emac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/sama5/sam_gmac.c b/arch/arm/src/sama5/sam_gmac.c
index 6cec735..3cddc32 100644
--- a/arch/arm/src/sama5/sam_gmac.c
+++ b/arch/arm/src/sama5/sam_gmac.c
@@ -1266,7 +1266,7 @@ static void sam_receive(struct sam_gmac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/samd5e5/sam_gmac.c b/arch/arm/src/samd5e5/sam_gmac.c
index 400e846..9fc9def 100644
--- a/arch/arm/src/samd5e5/sam_gmac.c
+++ b/arch/arm/src/samd5e5/sam_gmac.c
@@ -1246,7 +1246,7 @@ static void sam_receive(struct sam_gmac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/samv7/sam_emac.c b/arch/arm/src/samv7/sam_emac.c
index 4e21a15..9999a9d 100644
--- a/arch/arm/src/samv7/sam_emac.c
+++ b/arch/arm/src/samv7/sam_emac.c
@@ -1988,7 +1988,7 @@ static void sam_receive(struct sam_emac_s *priv, int qid)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
           NETDEV_RXIPV6(&priv->dev);
 
           /* Give the IPv6 packet to the network layer */
diff --git a/arch/arm/src/stm32/stm32_eth.c b/arch/arm/src/stm32/stm32_eth.c
index 7f7534a..9a2eff8 100644
--- a/arch/arm/src/stm32/stm32_eth.c
+++ b/arch/arm/src/stm32/stm32_eth.c
@@ -1775,7 +1775,7 @@ static void stm32_receive(FAR struct stm32_ethmac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/stm32/stm32_gpio.c b/arch/arm/src/stm32/stm32_gpio.c
index 5a40398..822f081 100644
--- a/arch/arm/src/stm32/stm32_gpio.c
+++ b/arch/arm/src/stm32/stm32_gpio.c
@@ -250,7 +250,7 @@ void stm32_gpioinit(void)
  *
  * Returned Value:
  *   OK on success
- *   A negated errono value on invalid port, or when pin is locked as ALT
+ *   A negated errno value on invalid port, or when pin is locked as ALT
  *   function.
  *
  * To-Do: Auto Power Enable
diff --git a/arch/arm/src/stm32/stm32_hrtim.c b/arch/arm/src/stm32/stm32_hrtim.c
index 8ff8be3..198a177 100644
--- a/arch/arm/src/stm32/stm32_hrtim.c
+++ b/arch/arm/src/stm32/stm32_hrtim.c
@@ -520,7 +520,7 @@ struct stm32_hrtim_eev_cfg_s
   uint8_t filter:4;             /* External Event filter */
   uint8_t src:4;                /* External Event source */
   uint8_t pol:1;                /* External Event polarity */
-  uint8_t sen:1;                /* External Event ssensitivit */
+  uint8_t sen:1;                /* External Event sensitivity */
   uint8_t mode:1;               /* External Event mode */
   uint8_t _res:5;
 };
diff --git a/arch/arm/src/stm32f0l0g0/stm32_gpio.c b/arch/arm/src/stm32f0l0g0/stm32_gpio.c
index 9180ad3..725ba4c 100644
--- a/arch/arm/src/stm32f0l0g0/stm32_gpio.c
+++ b/arch/arm/src/stm32f0l0g0/stm32_gpio.c
@@ -124,7 +124,7 @@ void stm32_gpioinit(void)
  *
  * Returned Value:
  *   OK on success
- *   A negated errono value on invalid port, or when pin is locked as ALT
+ *   A negated errno value on invalid port, or when pin is locked as ALT
  *   function.
  *
  * To-Do: Auto Power Enable
diff --git a/arch/arm/src/stm32f7/stm32_ethernet.c b/arch/arm/src/stm32f7/stm32_ethernet.c
index cac910b..49e1cc9 100644
--- a/arch/arm/src/stm32f7/stm32_ethernet.c
+++ b/arch/arm/src/stm32f7/stm32_ethernet.c
@@ -1863,7 +1863,7 @@ static void stm32_receive(struct stm32_ethmac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/stm32f7/stm32_gpio.c b/arch/arm/src/stm32f7/stm32_gpio.c
index 9d3d766..306d8cc 100644
--- a/arch/arm/src/stm32f7/stm32_gpio.c
+++ b/arch/arm/src/stm32f7/stm32_gpio.c
@@ -118,7 +118,7 @@ const uint32_t g_gpiobase[STM32F7_NGPIO] =
  *
  * Returned Value:
  *   OK on success
- *   A negated errono value on invalid port, or when pin is locked as ALT
+ *   A negated errno value on invalid port, or when pin is locked as ALT
  *   function.
  *
  * To-Do: Auto Power Enable
diff --git a/arch/arm/src/stm32h7/stm32_ethernet.c b/arch/arm/src/stm32h7/stm32_ethernet.c
index c8035dd..9e11744 100644
--- a/arch/arm/src/stm32h7/stm32_ethernet.c
+++ b/arch/arm/src/stm32h7/stm32_ethernet.c
@@ -1947,7 +1947,7 @@ static void stm32_receive(struct stm32_ethmac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/arm/src/stm32h7/stm32_gpio.c b/arch/arm/src/stm32h7/stm32_gpio.c
index 16c4785..e01d2ac 100644
--- a/arch/arm/src/stm32h7/stm32_gpio.c
+++ b/arch/arm/src/stm32h7/stm32_gpio.c
@@ -136,7 +136,7 @@ void stm32_gpioinit(void)
  *
  * Returned Value:
  *   OK on success
- *   A negated errono value on invalid port, or when pin is locked as ALT
+ *   A negated errno value on invalid port, or when pin is locked as ALT
  *   function.
  *
  * To-Do: Auto Power Enable
diff --git a/arch/arm/src/stm32l4/stm32l4_gpio.c b/arch/arm/src/stm32l4/stm32l4_gpio.c
index 81354d8..61145f3 100644
--- a/arch/arm/src/stm32l4/stm32l4_gpio.c
+++ b/arch/arm/src/stm32l4/stm32l4_gpio.c
@@ -131,7 +131,7 @@ void stm32l4_gpioinit(void)
  *
  * Returned Value:
  *   OK on success
- *   A negated errono value on invalid port, or when pin is locked as ALT
+ *   A negated errno value on invalid port, or when pin is locked as ALT
  *   function.
  *
  * To-Do: Auto Power Enable
diff --git a/arch/arm/src/tiva/lm/lm3s_ethernet.c b/arch/arm/src/tiva/lm/lm3s_ethernet.c
index e8e09cd..51d4b62 100644
--- a/arch/arm/src/tiva/lm/lm3s_ethernet.c
+++ b/arch/arm/src/tiva/lm/lm3s_ethernet.c
@@ -852,7 +852,7 @@ static void tiva_receive(struct tiva_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (ETHBUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
           NETDEV_RXIPV6(&priv->ld_dev);
 
           /* Give the IPv6 packet to the network layer */
diff --git a/arch/hc/src/m9s12/m9s12_ethernet.c b/arch/hc/src/m9s12/m9s12_ethernet.c
index b5f1d82..f06b299 100644
--- a/arch/hc/src/m9s12/m9s12_ethernet.c
+++ b/arch/hc/src/m9s12/m9s12_ethernet.c
@@ -343,7 +343,7 @@ static void emac_receive(FAR struct emac_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/mips/src/pic32mx/pic32mx-ethernet.c b/arch/mips/src/pic32mx/pic32mx-ethernet.c
index c60045b..55f8e81 100644
--- a/arch/mips/src/pic32mx/pic32mx-ethernet.c
+++ b/arch/mips/src/pic32mx/pic32mx-ethernet.c
@@ -1509,7 +1509,7 @@ static void pic32mx_rxdone(struct pic32mx_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
           if (BUF->type == HTONS(ETHTYPE_IP6))
             {
-              ninfo("Iv6 frame\n");
+              ninfo("IPv6 frame\n");
               NETDEV_RXIPV6(&priv->pd_dev);
 
               /* Give the IPv6 packet to the network layer */
diff --git a/arch/mips/src/pic32mz/pic32mz-ethernet.c b/arch/mips/src/pic32mz/pic32mz-ethernet.c
index 2877b75..47a82d5 100644
--- a/arch/mips/src/pic32mz/pic32mz-ethernet.c
+++ b/arch/mips/src/pic32mz/pic32mz-ethernet.c
@@ -1632,7 +1632,7 @@ static void pic32mz_rxdone(struct pic32mz_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
           if (BUF->type == HTONS(ETHTYPE_IP6))
             {
-              ninfo("Iv6 frame\n");
+              ninfo("IPv6 frame\n");
               NETDEV_RXIPV6(&priv->pd_dev);
 
               /* Give the IPv6 packet to the network layer */
diff --git a/arch/misoc/src/common/misoc_net.c b/arch/misoc/src/common/misoc_net.c
index c054995..4a9c961 100644
--- a/arch/misoc/src/common/misoc_net.c
+++ b/arch/misoc/src/common/misoc_net.c
@@ -465,7 +465,7 @@ static void misoc_net_receive(FAR struct misoc_net_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
           NETDEV_RXIPV6(&priv->misoc_net_dev);
 
           /* Give the IPv6 packet to the network layer */
diff --git a/arch/renesas/src/rx65n/rx65n_eth.c b/arch/renesas/src/rx65n/rx65n_eth.c
index c07344c..9b99c1c 100644
--- a/arch/renesas/src/rx65n/rx65n_eth.c
+++ b/arch/renesas/src/rx65n/rx65n_eth.c
@@ -1648,7 +1648,7 @@ static void rx65n_receive(FAR struct rx65n_ethmac_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/sim/src/sim/up_netdriver.c b/arch/sim/src/sim/up_netdriver.c
index 6a5a9fc..5ada277 100644
--- a/arch/sim/src/sim/up_netdriver.c
+++ b/arch/sim/src/sim/up_netdriver.c
@@ -172,7 +172,7 @@ static void netdriver_recv_work(FAR void *arg)
 #ifdef CONFIG_NET_IPv6
           if (eth->type == HTONS(ETHTYPE_IP6))
             {
-              ninfo("Iv6 frame\n");
+              ninfo("IPv6 frame\n");
               NETDEV_RXIPV6(dev);
 
               /* Give the IPv6 packet to the network layer */
diff --git a/arch/z80/src/ez80/ez80_emac.c b/arch/z80/src/ez80/ez80_emac.c
index e092aa7..8174e21 100644
--- a/arch/z80/src/ez80/ez80_emac.c
+++ b/arch/z80/src/ez80/ez80_emac.c
@@ -1427,7 +1427,7 @@ static int ez80emac_receive(struct ez80emac_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (ETHBUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/arch/z80/src/ez80/ez80f91_emac.h b/arch/z80/src/ez80/ez80f91_emac.h
index 467c5b3..177d899 100644
--- a/arch/z80/src/ez80/ez80f91_emac.h
+++ b/arch/z80/src/ez80/ez80f91_emac.h
@@ -174,7 +174,7 @@
 
 /* EMAC Transmit Descriptor Status **************************************************/
 
-#define EMAC_TXDESC_NCOLL     0x0001 /* Bits 0-3: Bumber of collisions that occurred
+#define EMAC_TXDESC_NCOLL     0x0001 /* Bits 0-3: Number of collisions that occurred
                                       * while transmitting the packet. */
 #define EMAC_TXDESC_MXCOLL    0x0010 /* Bit 4: 1=maximum number of collisions.
                                       * number > CFG3[3:0]. packet aborted */
diff --git a/boards/arm/stm32/fire-stm32v2/README.txt b/boards/arm/stm32/fire-stm32v2/README.txt
index 81da634..9dbdff8 100644
--- a/boards/arm/stm32/fire-stm32v2/README.txt
+++ b/boards/arm/stm32/fire-stm32v2/README.txt
@@ -208,9 +208,10 @@ DFU and JTAG
   configuration options to enable JTAG in various different ways.
 
   These configurations effect the setting of the SWJ_CFG[2:0] bits in the AFIO
-  MAPR register.  These bits are used to configure the SWJ and trace alternate function I/Os. The SWJ (SerialWire JTAG) supports JTAG or SWD access to the
+  MAPR register.  These bits are used to configure the SWJ and trace alternate
+  function I/Os. The SWJ (SerialWire JTAG) supports JTAG or SWD access to the
   Cortex debug port.  The default state in this port is for all JTAG support
-  to be disable.
+  to be disabled.
 
   CONFIG_STM32_JTAG_FULL_ENABLE - sets SWJ_CFG[2:0] to 000 which enables full
     SWJ (JTAG-DP + SW-DP)
@@ -219,7 +220,7 @@ DFU and JTAG
     full SWJ (JTAG-DP + SW-DP) but without JNTRST.
 
   CONFIG_STM32_JTAG_SW_ENABLE - sets SWJ_CFG[2:0] to 010 which would set JTAG-DP
-    disabled and SW-DP enabled
+    disabled and SW-DP enabled.
 
   The default setting (none of the above defined) is SWJ_CFG[2:0] set to 100
   which disable JTAG-DP and SW-DP.
@@ -284,11 +285,11 @@ RTC
       is enabled in the NuttX configuration, then the RTC provides higher
       resolution time and completely replaces the system timer for purpose of
       date and time.
-      CONFIG_RTC_FREQUENCY - If CONFIG_RTC_HIRES is defined, then the
+    CONFIG_RTC_FREQUENCY - If CONFIG_RTC_HIRES is defined, then the
       frequency of the high resolution RTC must be provided.  If CONFIG_RTC_HIRES
       is not defined, CONFIG_RTC_FREQUENCY is assumed to be one.
     CONFIG_RTC_ALARM - Enable if the RTC hardware supports setting of an alarm.
-      A callback function will be executed when the alarm goes off
+      A callback function will be executed when the alarm goes off.
 
   In hi-res mode, the STM32 RTC operates only at 16384Hz.  Overflow interrupts
   are handled when the 32-bit RTC counter overflows every 3 days and 43 minutes.
@@ -296,7 +297,7 @@ RTC
   a 48-bit RTC counter.
 
   In the lo-res mode, the RTC operates at 1Hz.  Overflow interrupts are not handled
-  (because the next overflow is not expected until the year 2106.
+  (because the next overflow is not expected until the year 2106).
 
    WARNING:  Overflow interrupts are lost whenever the STM32 is powered down.  The
    overflow interrupt may be lost even if the STM32 is powered down only momentarily.
@@ -445,7 +446,7 @@ M3 Wildfire-specific Configuration Options
 
   Alternate pin mappings.  The M3 Wildfire board requires only CAN1 remapping
   On the M3 Wildfire board pin PB9 is wired as TX and pin PB8 is wired as RX.
-  Which then makes the proper connection through the CAN transiver SN65HVD230
+  Which then makes the proper connection through the CAN transceiver SN65HVD230
   out to the CAN D-type 9-pn male connector where pin 2 is CANL and pin 7 is CANH.
 
     CONFIG_STM32_TIM1_FULL_REMAP
diff --git a/boards/arm/stm32/stm3210e-eval/README.txt b/boards/arm/stm32/stm3210e-eval/README.txt
index f4756f1..9cd5300 100644
--- a/boards/arm/stm32/stm3210e-eval/README.txt
+++ b/boards/arm/stm32/stm3210e-eval/README.txt
@@ -71,9 +71,10 @@ DFU and JTAG
   configuration options to enable JTAG in various different ways.
 
   These configurations effect the setting of the SWJ_CFG[2:0] bits in the AFIO
-  MAPR register.  These bits are used to configure the SWJ and trace alternate function I/Os. The SWJ (SerialWire JTAG) supports JTAG or SWD access to the
+  MAPR register.  These bits are used to configure the SWJ and trace alternate
+  function I/Os. The SWJ (SerialWire JTAG) supports JTAG or SWD access to the
   Cortex debug port.  The default state in this port is for all JTAG support
-  to be disable.
+  to be disabled.
 
   CONFIG_STM32_JTAG_FULL_ENABLE - sets SWJ_CFG[2:0] to 000 which enables full
     SWJ (JTAG-DP + SW-DP)
@@ -82,7 +83,7 @@ DFU and JTAG
     full SWJ (JTAG-DP + SW-DP) but without JNTRST.
 
   CONFIG_STM32_JTAG_SW_ENABLE - sets SWJ_CFG[2:0] to 010 which would set JTAG-DP
-    disabled and SW-DP enabled
+    disabled and SW-DP enabled.
 
   The default setting (none of the above defined) is SWJ_CFG[2:0] set to 100
   which disable JTAG-DP and SW-DP.
@@ -117,7 +118,7 @@ LEDs
 ====
 
 The STM3210E-EVAL board has four LEDs labeled LD1, LD2, LD3 and LD4 on the
-board.. These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
+board. These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
 defined.  In that case, the usage by the board port is defined in
 include/board.h and src/up_leds.c. The LEDs are used to encode OS-related
 events as follows:
@@ -208,11 +209,11 @@ RTC
       is enabled in the NuttX configuration, then the RTC provides higher
       resolution time and completely replaces the system timer for purpose of
       date and time.
-      CONFIG_RTC_FREQUENCY - If CONFIG_RTC_HIRES is defined, then the
+    CONFIG_RTC_FREQUENCY - If CONFIG_RTC_HIRES is defined, then the
       frequency of the high resolution RTC must be provided.  If CONFIG_RTC_HIRES
       is not defined, CONFIG_RTC_FREQUENCY is assumed to be one.
     CONFIG_RTC_ALARM - Enable if the RTC hardware supports setting of an alarm.
-      A callback function will be executed when the alarm goes off
+      A callback function will be executed when the alarm goes off.
 
   In hi-res mode, the STM32 RTC operates only at 16384Hz.  Overflow interrupts
   are handled when the 32-bit RTC counter overflows every 3 days and 43 minutes.
@@ -220,11 +221,11 @@ RTC
   a 48-bit RTC counter.
 
   In the lo-res mode, the RTC operates at 1Hz.  Overflow interrupts are not handled
-  (because the next overflow is not expected until the year 2106.
+  (because the next overflow is not expected until the year 2106).
 
-   WARNING:  Overflow interrupts are lost whenever the STM32 is powered down.  The
-   overflow interrupt may be lost even if the STM32 is powered down only momentarily.
-   Therefore hi-res solution is only useful in systems where the power is always on.
+  WARNING:  Overflow interrupts are lost whenever the STM32 is powered down.  The
+  overflow interrupt may be lost even if the STM32 is powered down only momentarily.
+  Therefore hi-res solution is only useful in systems where the power is always on.
 
 FSMC SRAM
 =========
@@ -382,7 +383,7 @@ STM3210E-EVAL-specific Configuration Options
 
   Alternate pin mappings.  The STM3210E-EVAL board requires only CAN1 remapping
   On the STM3210E-EVAL board pin PB9 is wired as TX and pin PB8 is wired as RX.
-  Which then makes the proper connection through the CAN transiver SN65HVD230
+  Which then makes the proper connection through the CAN transceiver SN65HVD230
   out to the CAN D-type 9-pn male connector where pin 2 is CANL and pin 7 is CANH.
 
     CONFIG_STM32_TIM1_FULL_REMAP
@@ -731,10 +732,7 @@ Where <subdir> is one of the following:
            CONFIG_EXAMPLES_DJOYSTICK_SIGNO=13
 
        When running the configuration, you should see the built-in
-       application 'djoy'.  Just typo 'djoy' at the NSH command prompt.
-       The test will simply should the joystick position and will exect when
-       the joystick select indication is received (when the joystick button
-       is push downward).
+       application 'djoy'.  Just type 'djoy' at the NSH command prompt.
 
   nxterm:
   ----------
diff --git a/boards/sim/sim/sim/README.txt b/boards/sim/sim/sim/README.txt
index 21021cf..a9329c5 100644
--- a/boards/sim/sim/sim/README.txt
+++ b/boards/sim/sim/sim/README.txt
@@ -124,17 +124,17 @@ fidelity simulation.
 However, when the simulation calls into Linux/Cygwin libraries, it will still
 use these small simulation stacks.  This happens, for example, when you call
 into the system to get and put characters to the console window or when you
-make x11 calls into the system.  The programming model within those libraries
+make X11 calls into the system.  The programming model within those libraries
 will assume a Linux/Cygwin environment where the stack size grows dynamically
 and not the small, limited stacks of a deeply embedded system.
 
 As a consequence, those system libraries may allocate large data structures on
 the stack and overflow the small NuttX stacks.  X11, in particular, requires
 large stacks.  If you are using X11 in the simulation, make sure that you set
-aside a "lot" of stack for the X11 system calls (maybe 8 or 16Kb). The stack
+aside a "lot" of stack for the X11 library calls (maybe 8 or 16Kb). The stack
 size for the thread that begins with user start is controlled by the
 configuration setting CONFIG_USERMAIN_STACKSIZE; you may need to increase this
-value to larger number to survive the X11 system calls.
+value to larger number to survive the X11 library calls.
 
 If you are running X11 applications such as NSH add-on programs, then the
 stack size of the add-on program is controlled in another way.  Here are the
@@ -170,7 +170,7 @@ collide with names provided by the host OS in the host PC domain.
 
 Occasionally, as you test new functionality, you will find that you need to
 add more names to the nuttx-names.dat file.  If there is a missing name
-mapping in nuttx-name.dat, the symptoms may be very obscure and difficult to
+mapping in nuttx-names.dat, the symptoms may be very obscure and difficult to
 debug.  What happens in this case is that when logic in nuttx.rel intended to
 call the NuttX domain function, it instead calls into the host OS function of
 the same name.
@@ -204,10 +204,10 @@ Update: Please issue these commands to setup the reliable network on Ubuntu:
   sudo apt-get -y install net-tools
   sudo nuttx/tools/simbridge.sh eth0 on
 
-Here is some tips you may need:
-  1.Must launch the executable with the root permission
-  2.Have to use virtual machine if host is in corporation network
-  3.Configure the network adapter in NAT mode if virtual machine is used
+Here are some tips you may need:
+  1. Must launch the executable with the root permission
+  2. Have to use virtual machine if host is in corporation network
+  3. Configure the network adapter in NAT mode if virtual machine is used
 
 X11 Issues
 ----------
@@ -1068,7 +1068,7 @@ rpserver
           3     3 224 FIFO     Kthread --- Waiting  Signal    00000002 002000 rptun proxy 0x56634fa0
          12     3  80 FIFO     Task    --- Waiting  Semaphore 00000000 002032 usrsock
 
-      cu to proxy and start the rpmsg ursock client:
+      cu to proxy and start the rpmsg usrsock client:
 
       server> cu
       proxy> usrsock server &
@@ -1162,7 +1162,7 @@ udgram
 unionfs
 
   This is a version of NSH dedicated to performing the simple test of the
-  Union File System at apps/examples/uniofs.  The command 'unionfs' will mount
+  Union File System at apps/examples/unionfs.  The command 'unionfs' will mount
   the Union File System at /mnt/unionfs.  You can than compare what you see at
   /mnt/unionfs with the content of the ROMFS file systems at
   apps/examples/unionfs/atestdir and btestdir.
diff --git a/drivers/net/dm90x0.c b/drivers/net/dm90x0.c
index 9381b59..58efbb7 100644
--- a/drivers/net/dm90x0.c
+++ b/drivers/net/dm90x0.c
@@ -992,7 +992,7 @@ static void dm9x_receive(FAR struct dm9x_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
           if (BUF->type == HTONS(ETHTYPE_IP6))
             {
-              ninfo("Iv6 frame\n");
+              ninfo("IPv6 frame\n");
               NETDEV_RXIPV6(&priv->dm_dev);
 
               /* Give the IPv6 packet to the network layer */
diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c
index cfb05db..a98be68 100644
--- a/drivers/net/enc28j60.c
+++ b/drivers/net/enc28j60.c
@@ -1438,7 +1438,7 @@ static void enc_rxdispatch(FAR struct enc_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
   if (BUF->type == HTONS(ETHTYPE_IP6))
     {
-      ninfo("Iv6 frame\n");
+      ninfo("IPv6 frame\n");
       NETDEV_RXIPV6(&priv->dev);
 
       /* Give the IPv6 packet to the network layer */
diff --git a/drivers/net/encx24j600.c b/drivers/net/encx24j600.c
index 93a0b81..702486f 100644
--- a/drivers/net/encx24j600.c
+++ b/drivers/net/encx24j600.c
@@ -1538,7 +1538,7 @@ static void enc_rxdispatch(FAR struct enc_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
           NETDEV_RXIPV6(&priv->dev);
 
           /* Give the IPv6 packet to the network layer */
diff --git a/drivers/net/ftmac100.c b/drivers/net/ftmac100.c
index c3fcc34..12930f2 100644
--- a/drivers/net/ftmac100.c
+++ b/drivers/net/ftmac100.c
@@ -740,7 +740,7 @@ static void ftmac100_receive(FAR struct ftmac100_driver_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           /* Give the IPv6 packet to the network layer */
 
diff --git a/drivers/net/lan91c111.c b/drivers/net/lan91c111.c
index 521cc6e..81748aa 100644
--- a/drivers/net/lan91c111.c
+++ b/drivers/net/lan91c111.c
@@ -720,7 +720,7 @@ static void lan91c111_receive(FAR struct net_driver_s *dev)
 #ifdef CONFIG_NET_IPv6
   if (eth->type == HTONS(ETHTYPE_IP6))
     {
-      ninfo("Iv6 frame\n");
+      ninfo("IPv6 frame\n");
       NETDEV_RXIPV6(dev);
 
       /* Dispatch IPv6 packet to the network layer */
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 36ae9f2..bf419e6 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -191,7 +191,7 @@ static int lo_txpoll(FAR struct net_driver_s *dev)
 #ifdef CONFIG_NET_IPv6
       if ((IPv6BUF->vtc & IP_VERSION_MASK) == IPv6_VERSION)
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
           NETDEV_RXIPV6(&priv->lo_dev);
           ipv6_input(&priv->lo_dev);
         }
diff --git a/drivers/net/rpmsgdrv.c b/drivers/net/rpmsgdrv.c
index 56e86b4..5644f70 100644
--- a/drivers/net/rpmsgdrv.c
+++ b/drivers/net/rpmsgdrv.c
@@ -661,7 +661,7 @@ static int net_rpmsg_drv_transfer_handler(FAR struct rpmsg_endpoint *ept,
 #ifdef CONFIG_NET_IPv6
   if (net_rpmsg_drv_is_ipv6(dev))
     {
-      ninfo("Iv6 frame\n");
+      ninfo("IPv6 frame\n");
       NETDEV_RXIPV6(dev);
 
       /* Dispatch IPv6 packet to the network layer */
diff --git a/drivers/net/skeleton.c b/drivers/net/skeleton.c
index 904adbc..28a24ac 100644
--- a/drivers/net/skeleton.c
+++ b/drivers/net/skeleton.c
@@ -443,7 +443,7 @@ static void skel_receive(FAR struct skel_driver_s *priv)
 
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
           NETDEV_RXIPV6(&priv->sk_dev);
 
           /* Dispatch IPv6 packet to the network layer */
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 53869a5..c31c7a9 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -593,7 +593,7 @@ static void tun_net_receive_tap(FAR struct tun_device_s *priv)
 #ifdef CONFIG_NET_IPv6
   if (BUF->type == HTONS(ETHTYPE_IP6))
     {
-      ninfo("Iv6 frame\n");
+      ninfo("IPv6 frame\n");
       NETDEV_RXIPV6(&priv->dev);
 
       /* Give the IPv6 packet to the network layer. */
@@ -704,7 +704,7 @@ static void tun_net_receive_tun(FAR struct tun_device_s *priv)
 #if defined(CONFIG_NET_IPv6)
   if ((IPv6BUF->vtc & IP_VERSION_MASK) == IPv6_VERSION)
     {
-      ninfo("Iv6 frame\n");
+      ninfo("IPv6 frame\n");
       NETDEV_RXIPV6(&priv->dev);
 
       /* Give the IPv6 packet to the network layer. */
diff --git a/drivers/usbdev/cdcecm.c b/drivers/usbdev/cdcecm.c
index a19ab5f..25ea9bd 100644
--- a/drivers/usbdev/cdcecm.c
+++ b/drivers/usbdev/cdcecm.c
@@ -539,7 +539,7 @@ static void cdcecm_receive(FAR struct cdcecm_driver_s *self)
 #ifdef CONFIG_NET_IPv6
   if (BUF->type == HTONS(ETHTYPE_IP6))
     {
-      ninfo("Iv6 frame\n");
+      ninfo("IPv6 frame\n");
       NETDEV_RXIPV6(&self->dev);
 
       /* Dispatch IPv6 packet to the network layer */
diff --git a/drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c b/drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c
index 85af417..ed586d5 100644
--- a/drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c
+++ b/drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c
@@ -339,7 +339,7 @@ static void bcmf_receive(FAR struct bcmf_dev_s *priv)
 #ifdef CONFIG_NET_IPv6
       if (BUF->type == HTONS(ETHTYPE_IP6))
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
           NETDEV_RXIPV6(&priv->bc_dev);
 
           /* Give the IPv6 packet to the network layer */
diff --git a/include/nuttx/net/netdev.h b/include/nuttx/net/netdev.h
index 360f7af..ee46c03 100644
--- a/include/nuttx/net/netdev.h
+++ b/include/nuttx/net/netdev.h
@@ -189,7 +189,7 @@ struct netdev_statistics_s
 
   /* Other status */
 
-  uint32_t errors;         /* Total umber of errors */
+  uint32_t errors;         /* Total number of errors */
 };
 #endif
 
@@ -585,7 +585,7 @@ void neighbor_out(FAR struct net_driver_s *dev);
  *
  * Returned Value:
  *   Zero is returned if the packet don't loop back to ourself, otherwise
- *   a no zero value is returned.
+ *   a non-zero value is returned.
  *
  ****************************************************************************/
 
diff --git a/net/devif/devif_loopback.c b/net/devif/devif_loopback.c
index 603d749..751605f 100644
--- a/net/devif/devif_loopback.c
+++ b/net/devif/devif_loopback.c
@@ -94,7 +94,7 @@ static bool is_loopback(FAR struct net_driver_s *dev)
  *
  * Returned Value:
  *   Zero is returned if the packet don't loop back to ourself, otherwise
- *   a no zero value is returned.
+ *   a non-zero value is returned.
  *
  ****************************************************************************/
 
@@ -135,7 +135,7 @@ int devif_loopback(FAR struct net_driver_s *dev)
 #ifdef CONFIG_NET_IPv6
       if ((IPv6BUF->vtc & IP_VERSION_MASK) == IPv6_VERSION)
         {
-          ninfo("Iv6 frame\n");
+          ninfo("IPv6 frame\n");
 
           NETDEV_RXIPV6(dev);
           ipv6_input(dev);
-- 
2.7.4

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