diff --git a/admin/notes/unicode b/admin/notes/unicode
index 0b2ce90067a..b30bf50ccf0 100644
--- a/admin/notes/unicode
+++ b/admin/notes/unicode
@@ -36,8 +36,12 @@ updates in charscript.el, but it is a good idea to look at the results
 and see if any changes in admin/unidata/blocks.awk are required.
 
 Any new scripts added by UnicodeData.txt will also need updates to
-script-representative-chars defined in fontset.el.  Other databases in
-fontset.el might also need to be updated as needed.
+script-representative-chars defined in fontset.el, and also the list
+of OTF script tags in otf-script-alist, whose source is on this page:
+
+  https://www.microsoft.com/typography/otspec/scripttags.htm
+
+Other databases in fontset.el might also need to be updated as needed.
 
 The function 'ucs-names', defined in lisp/international/mule-cmds.el,
 might need to be updated because it knows about used and unused ranges