--- openflow-2014-07-29.h	2015-07-23 09:54:17.944479395 -0700
+++ openflow-2014-11-05.h	2015-07-23 09:54:17.952479395 -0700
@@ -2221,7 +2221,7 @@
 /* ofp_error_msg 'code' values for OFPET_BAD_PROPERTY. 'data' contains at least
  * the first 64 bytes of the failed request. */
 enum ofp_bad_property_code {
-    OFPBPC_BAD_TYPE           = 0,  /* Unknown property type. */
+    OFPBPC_BAD_TYPE           = 0,  /* Unknown or unsupported property type. */
     OFPBPC_BAD_LEN            = 1,  /* Length problem in property. */
     OFPBPC_BAD_VALUE          = 2,  /* Unsupported property value. */
     OFPBPC_TOO_MANY           = 3,  /* Can't handle this many properties. */