layouts: cli.html: fix incorrect closing tag

The opening tag was a "td", but the closing tag a "th". Looks
like browsers fix this up, but let's change it to be correct.

updates 56679aec98

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

layouts/_default/cli.html

@@ -17,7 +17,7 @@
           {{ with $data.short }}
           <tr>
             <th class="text-left w-32">Description</th>
-            <td>{{ . }}</th>
+            <td>{{ . }}</td>
           </tr>
           {{ end }}
           {{ with $data.usage }}