diff --git a/cave_data/1623-B4.html b/cave_data/1623-B4.html
index ba1e06ce6..791ae1407 100644
--- a/cave_data/1623-B4.html
+++ b/cave_data/1623-B4.html
@@ -36,6 +36,7 @@ the form documented at
 <references></references>
 <survey><p>CUCC sketch 1996</p>
 <p>Surveyed 2005, Olly Betts, Jenny Black</p>
+<p>Are the 1996 or 2005 sketches available anywhere?</p>
 <p>Photoed 2015, Wookey</p></survey>
 <notes></notes>
 <length></length>