diff --git a/cave_data/1623-2005-06.html b/cave_data/1623-2005-06.html
index 3b8efbef3..a1afc6213 100644
--- a/cave_data/1623-2005-06.html
+++ b/cave_data/1623-2005-06.html
@@ -33,7 +33,7 @@ the form documented at
 <survex_file></survex_file>
 <underground_description></underground_description>
 <equipment></equipment>
-<references>Brief description and sketch in 2002#31; <a href="/years/2005/logbook.html#t2005-08-10A">2005 log book</a></references>
+<references>Brief description and sketch in 2002#31; <a href="/years/2005/logbook.html#t2005-08-10A">2005 log book</a> and 2025#03</references>
 <survey></survey>
 <notes></notes>
 <length></length>