typo - changed 2.3 to 2.4

2.4/index.html

@@ -36,9 +36,9 @@
 <h1>When 2.4 activate?</h1>
 <div id="main">
 <p>Current block is <span id="current_block"></span>.</p>
-<p>A first-order estimation of 2.3 epoch start is: <span id="expected_date"></span>.</p>
+<p>A first-order estimation of 2.4 epoch start is: <span id="expected_date"></span>.</p>
 <p></p>
-<p>Stacks 2.3 epoch start (bitcoin block <span id="block_target"></span>) is <span id="blocks_to_go"></span> blocks away.</p>
+<p>Stacks 2.4 epoch start (bitcoin block <span id="block_target"></span>) is <span id="blocks_to_go"></span> blocks away.</p>
 <p></p>
 <p>That many blocks ago was height = <span id="used_block"></span> which occured at <span id="used_block_time"></span>, <span id="time_ago"></span> hours ago.</p>
 </div>