Fix link in graph2d docs

- description in the graph2d docs for interpolation.parameterization
should link to Example 6, Interpolation.
- Closes #2118

docs/graph2d/index.html

@@ -673,7 +673,7 @@ onRender: function(item, group, graph2d) {
             <td class="greenField indent">interpolation.parametrization</td>
             <td>String</td>
             <td>'centripetal'</td>
-            <td>Define the type of parametrizaion for the catmullRom interpolation. <a href="../../examples/graph2d/07_scrollingAndSorting.html">Example 7</a> shows the different parametrizations. The options are 'centripetal' (best results), 'chordal' and 'uniform'. Uniform is the computationally cheapest variant.
+            <td>Define the type of parametrizaion for the catmullRom interpolation. <a href="../../examples/graph2d/06_interpolation.html">Example 6</a> shows the different parametrizations. The options are 'centripetal' (best results), 'chordal' and 'uniform'. Uniform is the computationally cheapest variant.
                 If interpolation is disabled, linear interpolation is used.</td>
         </tr>
         <tr class='toggle collapsible' onclick="toggleTable('g2dOptions','legend', this);">