diff --git a/doc/go1.12.html b/doc/go1.12.html
index 79f8eceb47..d2aa2f6cda 100644
--- a/doc/go1.12.html
+++ b/doc/go1.12.html
@@ -47,6 +47,11 @@ Do not send CLs removing the interior tags from such phrases.
   12.0+.
 </p>
 
+<p id="darwin">
+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>
+
 <h2 id="tools">Tools</h2>
 
 <h3 id="gocache">Build cache requirement</h3>