diff --git a/doc/go1.12.html b/doc/go1.12.html
index d2aa2f6cda..821d9086d4 100644
--- a/doc/go1.12.html
+++ b/doc/go1.12.html
@@ -47,7 +47,9 @@ Do not send CLs removing the interior tags from such phrases.
   12.0+.
 </p>
 
-<p id="darwin">
+<h3 id="darwin">Darwin</h3>
+
+<p>
 Go 1.12 is the last release that will run on macOS 10.10 Yosemite.
 Go 1.13 will require macOS 10.11 El Capitan or later.
 </p>