diff --git a/handbook/survey/onlinewallet.html b/handbook/survey/onlinewallet.html
index def295551..d27d0e83e 100644
--- a/handbook/survey/onlinewallet.html
+++ b/handbook/survey/onlinewallet.html
@@ -67,7 +67,7 @@ have a different Austrian Kataster number issued for it in due course).
 </ul>
 
 <li>Tunnel
-<li>Website updated
+<li>Online guidebook updated
 <li>json file edited
 </ul>
 <p>(where the "json file updated" step only refers to the initial editing of the json file to ensure 
@@ -97,7 +97,8 @@ looks like this:
  "name": "Homecoming cave"
 }
 </pre>
-Yes, this is a programming format and every comma is critical.
+Yes, this is <a href="https://en.wikipedia.org/wiki/JSON">a programming format</a>
+  (standardised in 2013) and every comma is critical.
 
 <h3>"To do" lists for every caver</h3>
 <p>The folder containing all the wallets for the year, e.g.