diff --git a/doc/go1.5.html b/doc/go1.5.html
index bcfde439718..282f0685b2e 100644
--- a/doc/go1.5.html
+++ b/doc/go1.5.html
@@ -830,6 +830,12 @@ now verifies that the point is actually on the curve.
 This change guards against certain attacks.
 </li>
 
+<li>
+The <a href="/pkg/crypto/sha512/"><code>crypto/sha512</code></a>
+package now has support for the two truncated versions of
+the SHA-512 hash algorithm, SHA-512/224 and SHA-512/256.
+</li>
+
 <li>
 The <a href="/pkg/crypto/tls/"><code>crypto/tls</code></a> package
 minimum protocol version now defaults to TLS 1.0.