diff --git a/share/colldef/README b/share/colldef/README
index b2fc9f2d650c..7e8e80420fd8 100644
--- a/share/colldef/README
+++ b/share/colldef/README
@@ -3,3 +3,4 @@ $FreeBSD$
 WARNING: For the compatibility sake try to keep collating table backward 
 compatible with ASCII, i.e.  add other symbols to the existent ASCII order.
 
+For mnemonic names see ftp://std.dkuug.dk/i18n/charmaps/