X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=secnet.git;a=blobdiff_plain;f=README;h=414baee6caccaeb680e83617c455f176015660e6;hp=fd3d31f7135f1c051535a9c5b61fbe756e8d5596;hb=656df7e2c9b688150ebe991d79a64ac096bb5f8e;hpb=93cdea57befc5f3ba37a087f827bf02f5768a4a5

diff --git a/README b/README
index fd3d31f..414baee 100644
--- a/README
+++ b/README
@@ -194,8 +194,11 @@ Defines:
   udp (closure => comm closure)
 
 udp: dict argument
-  address (string list): IPv6 or IPv4 addresses to listen and send on
-  port (integer): UDP port to listen and send on
+  address (string list): IPv6 or IPv4 addresses to listen and send on;
+   default is all local addresses
+  port (integer): UDP port to listen and send on; optional if you
+   don't need to have a stable address for your peers to talk to
+   (in which case your site ought probably to have `local-mobile true').
   buffer (buffer closure): buffer for incoming packets
   authbind (string): optional, path to authbind-helper program