diff --git a/entrance_data/1623-204g.html b/entrance_data/1623-204g.html
index 4d6c98030..57d3a95c7 100644
--- a/entrance_data/1623-204g.html
+++ b/entrance_data/1623-204g.html
@@ -1,19 +1,31 @@
 <!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 May 1, 2023, 9:11 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 May 1, 2023, 9:11 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>1623-204g</slug>
+<slug>1623-204g</slug> <!-- one entrance and one slug per entrance_data file -->
 <name></name>
 <entrance_description></entrance_description>
-<explorers>CUCC 2005</explorers>
+<explorers>CUCC 20005</explorers>
 <map_description></map_description>
 <location_description></location_description>
+<lastvisit></lastvisit>
 <approach></approach>
 <underground_description></underground_description>
 <photo></photo>
@@ -26,7 +38,7 @@
                       S? = Spit (?),
                       U  = Unmarked,
                       ?  = Unknown" -->
-<marking></marking> 
+<marking>?</marking> 
 <marking_comment></marking_comment>
 <!-- findability options: ? = To be confirmed ...,
                           S = Surveyed,
