diff --git a/pubs.htm b/pubs.htm
index deddb8038..17f6b85e7 100644
--- a/pubs.htm
+++ b/pubs.htm
@@ -13,7 +13,7 @@ about its Austrian expeditions. The paper journal "Cambridge
 Underground" is now published quite infrequenetly (1999, 2012, 2024). The
 articles referenced below are classified according to the expedition
 which preceded the publication. Few references deal with more
-than one year's expo. Any reference numbers such as
+than one year's expo. For older expeditions, the reference numbers such as
 "80.1739" are taken from "<b>Current Titles in Speleology</b>", (CTS) which used to be published by the British Cave Research Association (BCRA); "<b>no CTS</b>" indicates that the article is either not referenced by Current Titles in Speleology
 or the reference has not been looked up.</p>