diff --git a/entrance_data/1623-237c.html b/entrance_data/1623-237c.html
index cc189f91f..5d7d8330a 100644
--- a/entrance_data/1623-237c.html
+++ b/entrance_data/1623-237c.html
@@ -1,20 +1,30 @@
 <!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  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>  using the form documented at 
+<a href="/handbook/survey/ententry.html">handbook/survey/ententry.html</a>
+<br>
 <entrance>
 <non_public>False</non_public>
-
-
-<name></name>
+<slug>1623-237c</slug> <!-- one entrance and one slug per entrance_data file -->
+<name>237c</name>
 <entrance_description></entrance_description>
 <explorers>CUCC 2001, 2002</explorers>
-<map_description></map_description>
 <location_description></location_description>
+<lastvisit></lastvisit>
 <approach></approach>
 <underground_description></underground_description>
 <photo></photo>
@@ -27,23 +37,21 @@
                       S? = Spit (?),
                       U  = Unmarked,
                       ?  = Unknown" -->
-<marking></marking> 
+<marking>?</marking> 
 <marking_comment></marking_comment>
 <!-- findability options: ? = To be confirmed ...,
                           S = Surveyed,
                           L = Lost,
                           R = Refindable" -->
-<findability></findability>
-<findability_description></findability_description>
+<findability>R</findability>
+<findability_description>Enter cave via 237a entrance and you're in a chamber which 237b and c also come in to.</findability_description>
 <alt></alt>
-<northing></northing>
-<easting></easting> 
+<lat_wgs84></lat_wgs84> 
+<long_wgs84></long_wgs84> 
 <tag_station></tag_station>
-<exact_station></exact_station>
 <other_station></other_station>
 <other_description></other_description>
-<bearings></bearings>
-<url></url>
+<bearings></bearings> <!-- this is now read-only and not editable on the forms-->
 </entrance>
 </body>
 </html>
