diff --git a/special-method-names.html b/special-method-names.html
index c9be80a..6ffe426 100644
--- a/special-method-names.html
+++ b/special-method-names.html
@@ -729,7 +729,7 @@ class FieldStorage:
 <tr><th>
 <td>do something special when leaving a <code>with</code> block
 <td><code class=pp>with x:</code>
-<td><a href=http://www.python.org/doc/3.1/reference/datamodel.html#object.__exit__><code>x.<dfn>__exit__</dfn>()</code></a>
+<td><a href=http://www.python.org/doc/3.1/reference/datamodel.html#object.__exit__><code>x.<dfn>__exit__</dfn>(<var>exc_type</var>, <var>exc_value</var>, <var>traceback</var>)</code></a>
 </table>
 
 <p>This is how the <a href=files.html#with><code>with <var>file</var></code> idiom</a> works.