net/textproto: add Conn to doc comment

This revolutionary transfiguration undergirding the code base
Fixes #2945.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/5676072

diff --git a/src/pkg/net/textproto/textproto.go b/src/pkg/net/textproto/textproto.go
index 317ec72b0cc1d31d92073c25197270e084706108..e47b6908ad208e79fd475938b12815fcf4060f60 100644 (file)
--- a/src/pkg/net/textproto/textproto.go
+++ b/src/pkg/net/textproto/textproto.go
@@ -20,6 +20,9 @@
 //
 // Writer, to write dot-encoded text blocks.
 //
+// Conn, a convenient packaging of Reader, Writer, and Pipeline for use
+// with a single network connection."
+//
 package textproto
 
 import (