diff --git a/special-method-names.html b/special-method-names.html
index 48c257c..3da0b56 100644
--- a/special-method-names.html
+++ b/special-method-names.html
@@ -60,7 +60,7 @@ td a:link, td a:visited{border:0}
 <td><code class=pp>x.<dfn>__bytes__</dfn>()</code>
 <tr><th>&#x2464;
 <td>the value as a formatted string
-<td><code class=pp>format(x)</code>
+<td><code class=pp>format(x, <var>format_spec</var>)</code>
 <td><code class=pp>x.<dfn>__format__</dfn>(<var>format_spec</var>)</code>
 </table>
 <ol>