--- openflow-2010-09-29-4.h	2015-07-23 09:54:16.208479324 -0700
+++ openflow-2010-10-06-5.h	2015-07-23 09:54:16.212479324 -0700
@@ -626,7 +626,7 @@
 OFP_ASSERT(sizeof(ofp_instruction_actions) == 12);
 
 struct ofp_instruction_experimenter {
-    uint16_t type;		/* OFPI_EXPERIMENTER */
+    uint16_t type;		/* OFPIT_EXPERIMENTER */
     uint16_t len;               /* Length of this struct in bytes */
 };
 OFP_ASSERT(sizeof(ofp_instruction_experimenter) == 4);