diff --git a/client/default_iclass_keys.dic b/client/default_iclass_keys.dic
index 05e06c980..c9ea825e5 100644
--- a/client/default_iclass_keys.dic
+++ b/client/default_iclass_keys.dic
@@ -3,7 +3,7 @@
 #   -- iceman fork version --
 #   -- contribute to this list, sharing is caring --
 AEA684A6DAB23278 -- AA1
-7665544332211000 -- key1
+7665544332211000 -- key1/Kc from PicoPass 2k documentation
 0123456789ABCDEF -- SAGEM
 5b7c62c491c11b39 -- from loclass demo file.
 F0E1D2C3B4A59687 -- Kd from PicoPass 2k documentation