diff --git a/cave_data/1623-2023-hbrw-01.html b/cave_data/1623-2023-hbrw-01.html
index da272a3bd..95e84b66b 100644
--- a/cave_data/1623-2023-hbrw-01.html
+++ b/cave_data/1623-2023-hbrw-01.html
@@ -38,6 +38,11 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
 <kataster_number></kataster_number> <!-- (Either this or unofficial_number is required). Official number in Austrian kataster if one has been allocated  -->
 <unofficial_number>2023-hbrw-01</unofficial_number><!-- (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-hbrw-01</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></letter><!--Leave blank for single-entrance cave. If there is more than one entrace then the letter needs to be given. Generally matches the entranceslug ID.  -->
+</entrance>
+
 <explorers>Radost Waszkiewicz, Honorata Bogusz</explorers><!-- 'CUCC Expo' and year(s) of exploration. To distinguish from caves explored by foreign groups. Individual names can be given too if it was a small cave. -->
 <survex_file>caves-1623/2023-hbrw-01/2023-hbrw-01.svx</survex_file><!-- Name of top-level survey file for this cave. Relative to the 'loser' survex repository. So for most caves that's "caves/cavenum/cavnum.svx". (e.g. caves/204/204.svx -->
 <underground_description>Small cave with a small stream at the bottom. One junction.</underground_description><!-- Underground description. (description of approach and entrance goes in entrance file). For a small cave this will be the entire description. For larger caves it will be the front page of the description, or a short intro, containing links to other pages with the cave description in, or even nothing but a link. -->
diff --git a/entrance_data/1623-2023-hbrw-01.html b/entrance_data/1623-2023-hbrw-01.html
index 86d90a2ad..d449b6377 100644
--- a/entrance_data/1623-2023-hbrw-01.html
+++ b/entrance_data/1623-2023-hbrw-01.html
@@ -51,7 +51,7 @@ though, you do not need to do a data import as it happens automatically -->
 <easting></easting> 
 <tag_station></tag_station>
 <exact_station></exact_station>
-<other_station></other_station>
+<other_station>p2023-hbrw-01</other_station>
 <other_description></other_description>
 <bearings></bearings>
 <url></url>