diff --git a/src/net/rpc/jsonrpc/client.go b/src/net/rpc/jsonrpc/client.go
index da1b8165fc720..e6359bed5985c 100644
--- a/src/net/rpc/jsonrpc/client.go
+++ b/src/net/rpc/jsonrpc/client.go
@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package jsonrpc implements a JSON-RPC ClientCodec and ServerCodec
+// Package jsonrpc implements a JSON-RPC 1.0 ClientCodec and ServerCodec
 // for the rpc package.
+// For JSON-RPC 2.0 support, see https://godoc.org/?q=json-rpc+2.0
 package jsonrpc
 
 import (