diff --git a/handbook/survey/newcavefile.html b/handbook/survey/newcavefile.html
index 1b82aec18..e6772d5f5 100644
--- a/handbook/survey/newcavefile.html
+++ b/handbook/survey/newcavefile.html
@@ -57,7 +57,7 @@ There will only be an additional description file for large and complex caves.
 
 <!-- Yes we should not be using the <tt> "teletype" tag as it is deprecated. -->
 <p>As you can see, this is an XML tag format similar to HTML but with tags defined to hold cave survey data. These files are processed by troggle in real-time to produce an HTML file on the fly which is sent to your browser so that it 
-  looks <a href="http://expo.survex.com/1623/4">like this</a> 
+  looks <a href="http://expo.survex.com/1623/76/76.html">like this</a> 
 
 <p>An explanation of what the field names mean and how they are used is on 
 the <a href="caveentryfields.html">cave entry fields</a> page. There is not an exact correspondance between