conn: fix interface parameter name in Bind interface docs

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

diff --git a/conn/conn.go b/conn/conn.go
index ad91d2d6bb9637dacd24e05a037c228a06345f77..f3b6cfdd6dce386882448581abeedc88991abd57 100644 (file)
--- a/conn/conn.go
+++ b/conn/conn.go
@@ -29,7 +29,7 @@ type Bind interface {
        // It reports the number of bytes read, n,
        // the packet source address ep,
        // and any error.
-       ReceiveIPv6(buff []byte) (n int, ep Endpoint, err error)
+       ReceiveIPv6(b []byte) (n int, ep Endpoint, err error)
 
        // ReceiveIPv4 reads an IPv4 UDP packet into b.
        //