Update index.html

Author: loiane

examples/index.html

@@ -98,7 +98,7 @@
                 <a class="mdl-navigation__link" href="chapter02/03-AddingRemovingElements.html">03-Adding Removing Elements</a>
                 <a class="mdl-navigation__link" href="chapter02/04-TwoDimensionalMultiDimensional.html">04-Two Dimensional - MultiDimensional</a>
                 <a class="mdl-navigation__link" href="chapter02/05-ArrayMethods.html">05-ArrayMethods</a>
-                <a class="mdl-navigation__link" href="chapter02/06-ES6Methods.html">06-ES2015+ Methods</a>
+                <a class="mdl-navigation__link" href="chapter02/06-ES2015Methods.html">06-ES2015+ Methods</a>
                 <a class="mdl-navigation__link" href="chapter02/07-Sorting.html">07-Sorting</a>
                 <a class="mdl-navigation__link" href="chapter02/08-Searching.html">08-Searching</a>
                 <a class="mdl-navigation__link" href="chapter02/09-TypedArrays.html">09-TypedArrays</a>