diff --git a/doc/go1.18.html b/doc/go1.18.html
index 5b0520e9d62..5f32d642831 100644
--- a/doc/go1.18.html
+++ b/doc/go1.18.html
@@ -415,6 +415,18 @@ Do not send CLs removing the interior tags from such phrases.
   </dd>
 </dl>
 
+<dl id="go/token"><dt><a href="/pkg/go/token/">go/token</a></dt>
+  <dd>
+    <p><!-- https://golang.org/issue/47781, CL 324992 -->
+      The new constant <a href="/pkg/go/token/#TILDE"><code>TILDE</code></a>
+      represents the <code>~</code> token per the proposal
+      <a href="https://go.googlesource.com/proposal/+/master/design/47781-parameterized-go-ast.md">
+        Additions to go/ast and go/token to support parameterized functions and types
+      </a>.
+    </p>
+  </dd>
+</dl>
+
 <dl id="image/draw"><dt><a href="/pkg/image/draw/">image/draw</a></dt>
   <dd>
     <p><!-- CL 340049 -->