diff --git a/doc/go1.17.html b/doc/go1.17.html
index 9480b1205c3..65d8efdc1b2 100644
--- a/doc/go1.17.html
+++ b/doc/go1.17.html
@@ -413,6 +413,17 @@ Do not send CLs removing the interior tags from such phrases.
   </dd>
 </dl><!-- flag -->
 
+<dl id="go/build"><dt><a href="/pkg/go/build/">go/build</a></dt>
+  <dd>
+    <p><!-- CL 310732 -->
+      The new
+      <a href="/pkg/go/build/#Context.ToolTags"><code>Context.ToolTags</code></a>
+      field holds the build tags appropriate to the current Go
+      toolchain configuration.
+    </p>
+  </dd>
+</dl><!-- go/build -->
+
 <dl id="io/fs"><dt><a href="/pkg/io/fs/">io/fs</a></dt>
   <dd>
     <p><!-- CL 293649 -->