diff --git a/README.md b/README.md
index 9ec0038..8afac7c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 rfc6979
 =======
 
-A Go implementation of RFC 6979's deterministic DSA/ECDSA signature scheme.
+A Go implementation of [RFC 6979](https://tools.ietf.org/html/rfc6979)'s
+deterministic DSA/ECDSA signature scheme.
 
 ``` go
 package main
diff --git a/rfc6979.go b/rfc6979.go
index ed80989..060543e 100644
--- a/rfc6979.go
+++ b/rfc6979.go
@@ -12,6 +12,8 @@ Paraphrasing RFC6979:
 	access to a source of high-quality randomness.
 
 Provides functions similar to crypto/dsa and crypto/ecdsa.
+
+See https://tools.ietf.org/html/rfc6979 for technical details.
 */
 package rfc6979