1 files changed, 8 insertions, 1 deletions

diff --git a/lib/libalias/libalias.3 b/lib/libalias/libalias.3
index df1440ca46384..66acc92c9ce7f 100644
--- a/lib/libalias/libalias.3
+++ b/lib/libalias/libalias.3
@@ -701,9 +701,16 @@ host machine, it will be sent to the address
 indicated by a call to PacketAliasSetTarget().
 
 If this function is not called, or is called
-with a zero address argument, then all new
+with a INADDR_NONE address argument, then all new
 incoming packets go to the address set by
 PacketAliasSetAddress.
+
+If this function is called with a INADDR_ANY address
+argument, then all new incoming packets go to the
+address specified in the packet.
+This allows external machines to talk directly to
+internal machines if they can route packets to the
+machine in question.
 .Ss 6.2 PacketAliasCheckNewLink()
 
 .Ft int