diff --git a/doc/go1.17_spec.html b/doc/go1.17_spec.html
index 16c6d40ffc..c87d9aff3c 100644
--- a/doc/go1.17_spec.html
+++ b/doc/go1.17_spec.html
@@ -7,8 +7,11 @@
 <h2 id="Introduction">Introduction</h2>
 
 <p>
-This is a reference manual for the Go programming language. For
-more information and other documents, see <a href="/">go.dev</a>.
+This is the reference manual for the Go programming language as it was for
+language version 1.17, in October 2021, before the introduction of generics.
+It is provided for historical interest.
+The current reference manual can be found <a href="/doc/go_spec.html">here</a>.
+For more information and other documents, see <a href="/">go.dev</a>.
 </p>
 
 <p>