diff --git a/doc/overview.htm b/doc/overview.htm
index a9b475b5..a008b38a 100644
--- a/doc/overview.htm
+++ b/doc/overview.htm
@@ -305,7 +305,7 @@ matrices.</p>
 <tr>
 <td><code>i_amax</code></td>
 <td><code>norm_inf (x)<br />
-norm_inf_index (x)</code></td>
+index_norm_inf (x)</code></td>
 <td><em>max |x</em><sub><em>i</em></sub><em>|</em></td>
 <td>Computes the <em>l<sub>2</sub></em> (maximum) norm of a vector.<br />
 BLAS computes the index of the first element having this