diff --git a/cave_data/1623-2023-MM-02.html b/cave_data/1623-2023-MM-02.html
index 0e48e38fc..f24fa9de5 100644
--- a/cave_data/1623-2023-MM-02.html
+++ b/cave_data/1623-2023-MM-02.html
@@ -39,7 +39,7 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
 <unofficial_number>2023-MM-02</unofficial_number><!-- (This is any name. Either this or kataster_number is required). Initial temporary cave ID used until kataster number is allocated e.g. '2012-DD-01'-->
 
 <entrance>
-  <entranceslug>1623-2023-mm-02</entranceslug><!-- Internal ID to refer to each entrance instance in the entrance files (typically the same as that filename (e.g. 1623-161c). Matches the 'slug' field in the entrance file -->
+  <entranceslug>1623-2023-MM-02</entranceslug><!-- Internal ID to refer to each entrance instance in the entrance files (typically the same as that filename (e.g. 1623-161c). Matches the 'slug' field in the entrance file -->
   <letter>a</letter><!--Leave blank for single-entrance cave. If there is more than one entrance then the letter needs to be given. Must match the entranceslug ID.  -->
 </entrance>
 
diff --git a/cave_data/1626-368.html b/cave_data/1626-368.html
new file mode 100644
index 000000000..00a1fd377
--- /dev/null
+++ b/cave_data/1626-368.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<!-- This file is generated by troggle using the form documented at /handbook/survey/caveentry.html -->
+<!-- ALTERNATIVELY you can download an example template from expoweb/templates/cave_data.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
+though, you do not need to do a data import as it happens automatically -->
+<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
+the form documented at 
+<a href="/handbook/survey/caveentry.html">handbook/survey/caveentry.html</a>
+<br>
+
+<cave>
+<non_public>False</non_public>
+
+<official_name>Bunderstruck Höhle</official_name>
+<area>1626</area>
+<kataster_code></kataster_code>
+<kataster_number>368</kataster_number> 
+<unofficial_number>2018-DM-04</unofficial_number>
+
+<entrance>
+  <entranceslug>1626-368</entranceslug>
+  <letter>a</letter>
+</entrance>
+
+<explorers>Ash, Ely</explorers>
+<survex_file>caves-1626/368/368.svx</survex_file>
+<underground_description>A vertical shaft drops 15m to a large snow and ice pile. Dropping down the side of this a narrow slot between the cave wall and ice drops another 10m before bearing east. Leaving the ice behind the shaft drops another 10m to a boulder floor with no further continuation</underground_description>
+<equipment>50m rope required, 3 hangers and maillons , 2 slings and krabs.</equipment>
+<references></references>
+<survey><a href='/1626/2018-DM-04/l/2018-DM-04-bunderstruck.html'><img src='/1626/2018-DM-04/i/2018-DM-04-bunderstruck.jpg' /></a>
+<a href='/1626/2018-DM-04/l/bunderstrucktopo.html'><img src='/1626/2018-DM-04/i/bunderstrucktopo.jpg' /></a>
+<p>
+<a href='/1626/2018-DM-04/l/2018-DM-04-bunderstruck-for-kataster.html'><img src='/1626/2018-DM-04/i/2018-DM-04-bunderstruck-for-kataster.jpg' /></a></survey>
+<notes></notes>
+<length>40</length>
+<depth>36</depth>
+<extent></extent>
+
+<description_file></description_file>
+</cave>
+</body>
+</html>
diff --git a/entrance_data/1626-2018-DM-04.html b/entrance_data/1626-368.html
similarity index 75%
rename from entrance_data/1626-2018-DM-04.html
rename to entrance_data/1626-368.html
index f230c71a1..970182176 100644
--- a/entrance_data/1626-2018-DM-04.html
+++ b/entrance_data/1626-368.html
@@ -19,7 +19,7 @@ though, you do not need to do a data import as it happens automatically -->
 <br>
 <entrance>
 <non_public>False</non_public>
-<slug>1626-2018-DM-04</slug> <!-- one entrance and one slug per entrance_data file -->
+<slug>1626-368</slug> <!-- one entrance and one slug per entrance_data file -->
 <name></name>
 <entrance_description>Large vertical drop. Approx 3x3m wide open entrance shaft with large snow and ice pile.</entrance_description>
 <explorers>Ash</explorers>
@@ -28,21 +28,10 @@ though, you do not need to do a data import as it happens automatically -->
 <approach></approach>
 <underground_description></underground_description>
 <photo></photo>
-<!-- marking options: P  = Paint,
-                      P? = Paint (?),
-                      T  = Tag,
-                      T? = Tag (?),
-                      R  = Retagged,
-                      S  = Spit,
-                      S? = Spit (?),
-                      U  = Unmarked,
-                      ?  = Unknown" -->
+
 <marking>T</marking> 
 <marking_comment></marking_comment>
-<!-- findability options: ? = To be confirmed ...,
-                          S = Surveyed,
-                          L = Lost,
-                          R = Refindable" -->
+
 <findability>S</findability>
 <findability_description></findability_description>
 <alt></alt>
