diff --git a/cave_data/1623-2023-JS-03.html b/cave_data/1623-2023-JS-03.html
index cc06653e3..7e4d03221 100644
--- a/cave_data/1623-2023-JS-03.html
+++ b/cave_data/1623-2023-JS-03.html
@@ -39,7 +39,7 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
 <unofficial_number>2023-JS-03</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-JS-03</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 entrace then the letter needs to be given. Generally matches the entranceslug ID.  -->
+  <letter>a</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>Merryn Matthews, Joel Stobbart, Emily Mabbet, Tom Phillips, Lizzie Caisley</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></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 -->