From c1330e18aad1d7a2a340fb823365df580cb1eec0 Mon Sep 17 00:00:00 2001
From: iamqizhao <toqizhao@gmail.com>
Date: Thu, 7 Jan 2016 14:18:20 -0800
Subject: [PATCH] some missing comments

---
 clientconn.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/clientconn.go b/clientconn.go
index bf66914c..9c2e983b 100644
--- a/clientconn.go
+++ b/clientconn.go
@@ -89,6 +89,7 @@ func WithCodec(c Codec) DialOption {
 	}
 }
 
+// WithPicker returns a DialOption which sets a picker for connection selection.
 func WithPicker(p Picker) DialOption {
 	return func(o *dialOptions) {
 		o.picker = p
@@ -104,6 +105,8 @@ func WithBlock() DialOption {
 	}
 }
 
+// WithInsecure returns a DialOption which disables transport security for this ClientConn.
+// Note that transport security is required unless WithInsecure is set.
 func WithInsecure() DialOption {
 	return func(o *dialOptions) {
 		o.insecure = true