diff --git a/cave_data/1623-2025-HK-00.html b/cave_data/1623-2025-HK-00.html
index 37d35d1b7..2264b057d 100644
--- a/cave_data/1623-2025-HK-00.html
+++ b/cave_data/1623-2025-HK-00.html
@@ -45,7 +45,7 @@ Beyond the pitch head is a second shaft which is wet and reconnects to this craw
 
 The final chamber has a rift in the floor which is very loose. Walking over it leads to a drop with a sump at the bottom and no way on.</underground_description>
 <equipment></equipment>
-<references></references>
+<references>2025#01, 2025#02</references>
 <survey></survey>
 <notes></notes>
 <length></length>