Fix formatting in next/submit.html

next/submit.html

@@ -449,23 +449,17 @@ details. After that you will have to log back in.</p>
 submission so if you update a submission, make sure you choose the right one so
 you do not replace the wrong one!</p>
 <p>It will show text and radio buttons for each row (up to 10 numbered <code>0</code> through
-<code>9</code>):</p>
-<table>
-<thead>
-<tr>
-<th>Select</th>
-<th>Slot Information</th>
-</tr>
-</thead>
-<tbody>
-<tr>
-<td>0: [N]</td>
-<td>Status: slot empty</td>
-</tr>
-</tbody>
-</table>
-<p>The <code>[N]</code> is a radio button. Tick that to select that slot. Then further down
-the page you’ll see the text along the lines of:</p>
+<code>9</code>). Here is a text version of the table showing what the first few lines would
+look like:</p>
+<pre><code>    | Select | Slot Information   |
+    | -------| --------------------
+    | 0: [●] | Status: slot empty |
+    | 1: [ ] | Status: slot empty |
+    | 1: [ ] | Status: slot empty |</code></pre>
+<p>The <code>●</code> is a ticked radio button whereas the <code>[ ]</code> is an unticked. Tick that to
+select that slot.</p>
+<p>Then further down the page you’ll see the text along the lines
+of:</p>
 <blockquote>
 <p>IMPORTANT: Upload only XZ compressed tarballs whose filename is:</p>
 <p><code>submit.7ec754d4-8670-421a-a1b6-7dd3dc5f215e-SLOT.TIMESTAMP.txz</code></p>