Fix syntax

Signed-off-by: Gernot Heiser <[email protected]>

Foundation/Summit/2024/social-activities.html

@@ -82,8 +82,9 @@ <h4 style="padding-top:20px">Blue Mountains bush walk</h4>
     <li>
       <strong>08:15</strong> meet at Central Station <s>Platform 5</s>
       <strong style="color:red">Platform 18</strong> to
-      take the <a>8:24 train to Lithgow, arrive Katoomba
-      10:29</s> <strong style="color:red">8:21 train to Hornsby<strong>.<br/> For
+      take the <s>8:24 train to Lithgow, arrive Katoomba
+      10:29</s><strong style="color:red">8:21 train to Hornsby, arrive Katoomba
+      10:54</strong> (with changing to a bus and back to train in between).<br/> For
       those staying at the Summit venue (Potts Point Holiday Inn),
       King's Cross station is practically next door.
       Take the 07:54 train to Cronulla (or any train going towards the
@@ -110,7 +111,7 @@ <h4 style="padding-top:20px">Blue Mountains bush walk</h4>
       takes two hours.
     </li>
     <li>
-      Back at Central sometime between 16:30 and 18:30.
+      Back at Central sometime between 16:30 and 19:30.
     </li>
   </ul>