diff --git a/entrance_data/1623-157.html b/entrance_data/1623-157.html
index 69fa11e1e..fed3ae0fe 100644
--- a/entrance_data/1623-157.html
+++ b/entrance_data/1623-157.html
@@ -1,22 +1,34 @@
 <!DOCTYPE html>
 <!-- Only put one entrance in this file -->
-<!-- If you edit this file, make sure you update the websites database -->
+<!-- This file is generated by troggle on June 7, 2023, 10:23 p.m. UTC using the form documented at handbook/survey/ententry.html -->
+<!-- If you edit this 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
+though, you do not need to do a data import as it happens automatically -->
+
+    <!-- See http://expo.survex.com/handbook/survey/caveentryfields.html for current details on filling in this form -->
+    <!-- there is 1 required field: slug. The entrance will not appear without that. -->
+    <!-- ALWAYS use &uuml; for u+Umlaut and &ouml; for o+umlaut eg H&ouml;hle for Hohle and Gl&uuml;ck for Gluck-->
+
 <html lang="en">
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <body>
+<b>This file is generated by troggle</b> on June 7, 2023, 10:23 p.m. UTC using the form documented at 
+<a href="/handbook/survey/ententry.html">handbook/survey/ententry.html</a>
+<br>
 <entrance>
 <non_public>False</non_public>
-<slug>1623-157</slug>
+<slug>1623-157</slug> <!-- one entrance and one slug per entrance_data file -->
 <name></name>
 <entrance_description></entrance_description>
 <explorers></explorers>
 <map_description></map_description>
 <location_description>"about 6m above <a href="../handbook/survey/lasers.htm">Laser rangefound point 0/5</a>" (which is above gully containing <a href="../1623/107.htm">Kat. 107</a> and marked with an alloy tag stamped "LASER 0-5"). The cave was looked for but not seen in a visit to this laser point in 1998. It was relocated in 2001, visible to the right of the route up to 204.  It was marked with faded yellow paint.</location_description>
+<lastvisit></lastvisit>
 <approach></approach>
 <underground_description></underground_description>
-<photo></p><div class="centre"><a href="ent.jpg"><img src="ent_small.jpg" /></a><p class="caption">Dave Loeffler at the 157 entrance. Photo &copy; Mark Shinwell 2006</p></div></photo>
+<photo><div class="centre"><a href="ent.jpg"><img src="ent_small.jpg" /></a><p class="caption">Dave Loeffler at the 157 entrance. Photo &copy; Mark Shinwell 2006</p></div></photo>
 <!-- marking options: P  = Paint,
                       P? = Paint (?),
                       T  = Tag,
