--- openflow-2008-10-29.h	2015-07-23 09:54:15.616479299 -0700
+++ openflow-2008-11-25.h	2015-07-23 09:54:15.620479300 -0700
@@ -130,7 +130,7 @@
     uint8_t version;    /* OFP_VERSION. */
     uint8_t type;       /* One of the OFPT_ constants. */
     uint16_t length;    /* Length including this ofp_header. */
-    uint32_t xid;       /* Transactin id associated with this packet.
+    uint32_t xid;       /* Transaction id associated with this packet.
                            Replies use the same id as was in the request
                            to facilitate pairing. */
 };
@@ -183,7 +183,8 @@
     OFPPC_PORT_DOWN    = 1 << 0,  /* Port is administratively down. */
 
     OFPPC_NO_STP       = 1 << 1,  /* Disable 802.1D spanning tree on port. */
-    OFPPC_NO_RECV      = 1 << 2,  /* Drop most packets received on port. */
+    OFPPC_NO_RECV      = 1 << 2,  /* Drop all packets except 802.1D spanning
+                                     tree packets. */
     OFPPC_NO_RECV_STP  = 1 << 3,  /* Drop received 802.1D STP packets. */
     OFPPC_NO_FLOOD     = 1 << 4,  /* Do not include this port when flooding. */
     OFPPC_NO_FWD       = 1 << 5,  /* Drop packets forwarded to port. */
@@ -742,10 +743,13 @@
     uint64_t rx_dropped;     /* Number of packets dropped by RX. */ 
     uint64_t tx_dropped;     /* Number of packets dropped by TX. */ 
     uint64_t rx_errors;      /* Number of receive errors.  This is a super-set
-                                of receive errors and should be great than or
-                                equal to the sum of al rx_*_err values. */
+                                of more specific receive errors and should be
+                                greater than or equal to the sum of all 
+                                rx_*_err values. */
     uint64_t tx_errors;      /* Number of transmit errors.  This is a super-set
-                                of transmit errors. */
+                                of more specific transmit errors and should be
+                                greater than or equal to the sum of all
+                                tx_*_err values (none currently defined.) */
     uint64_t rx_frame_err;   /* Number of frame alignment errors. */ 
     uint64_t rx_over_err;    /* Number of packets with RX overrun. */ 
     uint64_t rx_crc_err;     /* Number of CRC errors. */