diff --git a/doc/go1.16.html b/doc/go1.16.html
index 5ad3cae6d9..a1f07c10fd 100644
--- a/doc/go1.16.html
+++ b/doc/go1.16.html
@@ -70,6 +70,14 @@ Do not send CLs removing the interior tags from such phrases.
   <code>netbsd/arm64</code> port).
 </p>
 
+<h3 id="openbsd">OpenBSD</h3>
+
+<p><!-- golang.org/issue/40995 -->
+  Go now supports the MIPS64 architecture on OpenBSD
+  (the <code>openbsd/mips64</code> port). This port does not yet
+  support cgo.
+</p>
+
 <h3 id="386">386</h3>
 
 <p><!-- golang.org/issue/40255, golang.org/issue/41848, CL 258957, and CL 260017 -->