diff --git a/net/Kconfig b/net/Kconfig
index 339b33e0a3..aec1a6d3d7 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -72,6 +72,11 @@ config NET_ETH_TCP_RECVWNDO
 		buffering via IOBs.  To include IOB aware windowing logic also
 		enable CONFIG_NET_TCP_RWND_CONTROL.
 
+		The default values correspond to the MSS associated with the
+		minimum MSS: IPv4 hosts are required to be able to handle an MSS
+		of at least 536 octets; IPv6 hosts are required to be able to handle
+		an MSS of 1220 octets.
+
 config NET_SLIP_MTU
 	int # "SLIP packet buffer size (MTU)"
 	default 296
@@ -83,7 +88,7 @@ config NET_SLIP_MTU
 		This value is normally referred to as the MTU (Maximum Transmission Unit);
 		the payload payload is the MSS (Maximum Segment Size).
 
-		SLIP is required to support at lest 256+20+20 = 296.  Values other than
+		SLIP is required to support at least 256+20+20 = 296.  Values other than
 		296 are not recommended.
 
 		The Linux slip module hard-codes its MTU size to 296 (40 bytes for
diff --git a/net/devif/ipv4_input.c b/net/devif/ipv4_input.c
index ea16ae3947..0d98574edc 100644
--- a/net/devif/ipv4_input.c
+++ b/net/devif/ipv4_input.c
@@ -121,7 +121,7 @@
  *    IPv4_REASS_BUFSIZE.
  * 3. Since there is only a single reassembly buffer, IPv4 reassembly cannot
  *    be used in a context where multiple network devices may be concurrently
- *    re-assemblying packets.
+ *    re-assembling packets.
  */
 
 #define IP_MF                0x20  /* See IP_FLAG_MOREFRAGS */
@@ -228,7 +228,7 @@ static uint8_t devif_reassembly(FAR struct net_driver_s *dev)
       else
         {
           /* If the two endpoints are in different bytes, we update the bytes
-           * in the endpoints and fill the stuff inbetween with 0xff.
+           * in the endpoints and fill the stuff in between with 0xff.
            */
 
           g_reassembly_bitmap[offset / (8 * 8)] |=
diff --git a/net/tcp/tcp_input.c b/net/tcp/tcp_input.c
index 5e1b5f9346..2371927484 100644
--- a/net/tcp/tcp_input.c
+++ b/net/tcp/tcp_input.c
@@ -114,7 +114,7 @@ static void tcp_input(FAR struct net_driver_s *dev, uint8_t domain,
   /* Get the size of the IP header and the TCP header.
    *
    * REVISIT:  TCP header is *not* a constant!  It can be larger if the
-   * TCP header includes options.  The constand TCP_HDRLEN should be
+   * TCP header includes options.  The constant TCP_HDRLEN should be
    * replaced with the macro TCP_OPT_HDRLEN(n) which will calculate the
    * correct header length in all cases.
    */
diff --git a/net/tcp/tcp_send.c b/net/tcp/tcp_send.c
index 005e64d9c7..eb77b175a3 100644
--- a/net/tcp/tcp_send.c
+++ b/net/tcp/tcp_send.c
@@ -376,7 +376,7 @@ static void tcp_sendcommon(FAR struct net_driver_s *dev,
        * link-layer, IP, and TCP headers.  This logic here assumes that
        * all IOBs are available for TCP buffering.
        *
-       * REVISIT:  In an environment with mutliple, active read-ahead TCP
+       * REVISIT:  In an environment with multiple, active read-ahead TCP
        * sockets (and perhaps multiple network devices) or if there are
        * other consumers of IOBs (such as for TCP write buffering) then the
        * total number of IOBs will all not be available for read-ahead