diff --git a/cave_data/1623-88F-01.html b/cave_data/1623-88F-01.html
index 43d8c91f4..a7b95e4c5 100644
--- a/cave_data/1623-88F-01.html
+++ b/cave_data/1623-88F-01.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<!-- This file is generated by troggle on July 2, 2024, 9:20 a.m. UTC using the form documented at /handbook/survey/caveentry.html -->
+<!-- This file is generated by troggle on July 2, 2024, 10:31 a.m. UTC using the form documented at /handbook/survey/caveentry.html -->
 <!-- Only put one cave in this file -->
 <!-- If you edit this 162x-nnn.html file by hand, and manually upload it to the server using git,
 make sure you update the database by doing a full data import. If you edit it using the online form
@@ -10,14 +10,15 @@ though, you do not need to do a data import as it happens automatically -->
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <body>
-<b>This file is generated by troggle</b> on July 2, 2024, 9:20 a.m. UTC using the form documented at
+<b>This file is generated by troggle</b> on July 2, 2024, 10:31 a.m. UTC using the form documented at
 the form documented at 
 <a href="/handbook/survey/caveentry.html">handbook/survey/caveentry.html</a>
 <br>
 
 <cave>
 <non_public>False</non_public><!-- 'False' or 'True'. True if the cave should only be visible to logged-in users. Caves are normally public, so enter 'False' unless you know otherwise. -->
-<official_name></official_name><!-- Name of the cave (normally in German)  Use &uuml; for u+Umlaut and &ouml; for o+umlaut eg H&ouml;hle for Hohle and Gl&uuml;ck for Gluck-->
+<!--<caveslug>1623-88F-01</caveslug>--> <!-- Ignored. No longer required, we use the filename instead e.g. 1623-315 for 1623-315.html  -->
+<official_name>88F</official_name><!-- Name of the cave (normally in German)  Use &uuml; for u+Umlaut and &ouml; for o+umlaut eg H&ouml;hle for Hohle and Gl&uuml;ck for Gluck-->
 <area>1623</area><!-- e.g. "1623" -->
 <kataster_code></kataster_code><!-- 'length-or-depth/type exploration'
 code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast.htm
@@ -56,7 +57,9 @@ It's probably GSCB as the paint said VSS2, which seems to be some sort of nickna
 meaning something like "the mad spit hammerers"
 <br>
 i'd guess 88F is their 6th entrance from 1988 - I think we've also seen 88H</p></notes><!-- Normally empty, but place for anything else that should be noted, such as info on cave maybe being a duplicate, or lost, and whether a kataster form has been sent to Austria for this cave -->
-
+<length></length><!-- Cave length. Can be left blank and system should fill it in automatically from survey data (it doesn't yet) -->
+<depth></depth><!--Cave depth. Can be left blank and system should fill it in automatically from survey data (it doesn't yet)  -->
+<extent></extent>
 
 <description_file></description_file><!-- Path of top-level description file for this cave, when a separate file is used. Otherwise blank. -->
 </cave>
