Index: lang/english.php
===================================================================
--- lang/english.php	(revision 965)
+++ lang/english.php	(working copy)
@@ -130,6 +130,7 @@
 define("Global_15","answered correctly in %");
 define("Global_16","You're not logged on at the moment");
 define("Global_18","Question ID");
+define("Global_17","Login failed! A valid CAcert certificate is required.");
 define("Global_19","Login failed");
 define("Global_20","description");
 define("Index_01","logged in as :");