doc/go1.10.html | 4 ++++

diff --git a/doc/go1.10.html b/doc/go1.10.html
index 308949905fe4b7a4939914385f461ce9a7b675f6..a6e186fb73d49a2197a57ac21841f1ba36b95c9b 100644
--- a/doc/go1.10.html
+++ b/doc/go1.10.html
@@ -1209,6 +1209,10 @@ <a href="/pkg/net/http/#ResponseWriter"><code>ResponseWriter</code></a>'s <code>WriteHeader</code> method now panics
 if passed an invalid (non-3-digit) status code.
 </p>
 <p>
+<!-- CL 46631 -->
+The <code>Server</code> will no longer add an implicit Content-Type when a <code>Handler</code> does not write any output.
+</p>
+<p>
 <a href="/pkg/net/http/#Redirect"><code>Redirect</code></a> now sets the <code>Content-Type</code> header before writing its HTTP response.
 </p>
 </dl>