diff --git a/doc/go1.15.html b/doc/go1.15.html
index df6acc80ee..33598a262d 100644
--- a/doc/go1.15.html
+++ b/doc/go1.15.html
@@ -313,7 +313,8 @@ Do not send CLs removing the interior tags from such phrases.
 <p>
   For a representative set of large Go programs, linking is 20% faster
   and requires 30% less memory on average, for <code>ELF</code>-based
-  OSes running on <code>amd64</code> architectures, with more modest
+  OSes (Linux, FreeBSD, NetBSD, OpenBSD, Dragonfly, and Solaris)
+  running on <code>amd64</code> architectures, with more modest
   improvements for other architecture/OS combinations.
 </p>