diff --git a/doc/go_spec.html b/doc/go_spec.html
index 70efddf626..f6e87fe8a4 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -1920,7 +1920,8 @@ A value <code>x</code> of type <code>V</code> is <i>assignable</i> to a <a href=
 </li>
 <li>
 <code>V</code> and <code>T</code> have identical
-<a href="#Underlying_types">underlying types</a> and at least one of <code>V</code>
+<a href="#Underlying_types">underlying types</a>
+but are not type parameters and at least one of <code>V</code>
 or <code>T</code> is not a <a href="#Types">named type</a>.
 </li>
 <li>