small documentation update

1 files changed, 4 insertions, 3 deletions

diff --git a/sys/dev/netmap/netmap_kern.h b/sys/dev/netmap/netmap_kern.h
index 36ef36b92ee9..b46050df9e00 100644
--- a/sys/dev/netmap/netmap_kern.h
+++ b/sys/dev/netmap/netmap_kern.h
@@ -503,8 +503,9 @@ struct netmap_adapter {
 				 * that cannot be changed
 				 */
 #define NAF_NATIVE      16      /* the adapter is native.
-				 * Virtual ports (vale, pipe, monitor...)
-				 * should never use this flag.
+				 * Virtual ports (non persistent vale ports,
+				 * pipes, monitors...) should never use
+				 * this flag.
 				 */
 #define	NAF_NETMAP_ON	32	/* netmap is active (either native or
 				 * emulated). Where possible (e.g. FreeBSD)
@@ -1483,7 +1484,7 @@ PNMB(struct netmap_adapter *na, struct netmap_slot *slot, uint64_t *pp)
  *
  * np_refs counts the number of references to the structure: one for the fd,
  * plus (on FreeBSD) one for each active mmap which we track ourselves
- * (they are not unmapped on close(), unlike linux).
+ * (linux automatically tracks them, but FreeBSD does not).
  * np_refs is protected by NMG_LOCK.
  *
  * Read access to the structure is lock free, because ni_nifp once set