diff --git a/doc/go1.5.txt b/doc/go1.5.txt
index 01226cfffd..0c06efa08f 100644
--- a/doc/go1.5.txt
+++ b/doc/go1.5.txt
@@ -1,3 +1,4 @@
 crypto/cipher: clarify what will happen if len(src) != len(dst) for the Stream interface. (https://golang.org/cl/1754)
 crypto/tls: change default minimum version to TLS 1.0. (https://golang.org/cl/1791)
 encoding/base64: add unpadded encodings (https://golang.org/cl/1511)
+net/smtp: add TLSConnectionState accessor (https://golang.org/cl/2151)