--- openflow-2011-11-07.h	2015-07-23 09:54:16.808479348 -0700
+++ openflow-2011-11-14.h	2015-07-23 09:54:16.812479348 -0700
@@ -581,14 +581,13 @@
  */
 #define OXM_OF_VLAN_PCP   OXM_HEADER  (0x8000, OFPXMT_OFB_VLAN_PCP, 1)
 
-/* The Diff Serv Code Point (DSCP) bits of the IP header, with the ECN bits
- * forced to 0.
+/* The Diff Serv Code Point (DSCP) bits of the IP header.
  * Part of the IPv4 ToS field or the IPv6 Traffic Class field.
  *
  * Prereqs: OXM_OF_ETH_TYPE must be either 0x0800 or 0x86dd.
  *
- * Format: 8-bit integer with 2 least-significant bits forced to 0.
- * Only the higher 6 bits have meaning.
+ * Format: 8-bit integer with 2 most-significant bits forced to 0.
+ * Only the lower 6 bits have meaning.
  *
  * Masking: Not maskable. */
 #define OXM_OF_IP_DSCP     OXM_HEADER  (0x8000, OFPXMT_OFB_IP_DSCP, 1)