diff --git a/cave_data/1623-2025-LB-00.html b/cave_data/1623-2025-LB-00.html
index 20b153089..0ac80410b 100644
--- a/cave_data/1623-2025-LB-00.html
+++ b/cave_data/1623-2025-LB-00.html
@@ -17,22 +17,17 @@ the form documented at
 
 <cave>
 <non_public>False</non_public>
-<unexplored>False</unexplored>
+<unexplored>True</unexplored>
 
-<official_name>Debut Cave</official_name>
+<official_name>Sisyphus Cave</official_name>
 <area>1623</area>
 <kataster_code></kataster_code>
 <kataster_number></kataster_number> 
-<unofficial_number>2025-LB-01</unofficial_number>
-
-<entrance>
-  <entranceslug>1623-2025-LB-00</entranceslug>
-  <letter></letter>
-</entrance>
+<unofficial_number>2025-LB-00</unofficial_number>
 
 <explorers></explorers>
-<survex_file></survex_file>
-<underground_description></underground_description>
+<survex_file>caves-1623/2025-LB-00/2025-LB-00</survex_file>
+<underground_description>Tiny cave, very obvious entrance in the hillside with a draught. It leads round from the entrance to the left, down a slope then enters a chamber with a snowplug and a second entrance in the roof.</underground_description>
 <equipment></equipment>
 <references></references>
 <survey></survey>