diff --git a/README.md b/README.md
index 2fb889f..6e34416 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,11 @@ that of its many users I presume) that it's one of the best low
 contrast color themes out there and that it is exceptionally easy on
 the eyes.
 
-This theme uses the "new" (it used to be new several years ago when I
-created this package) built-in theming support available starting with
+This theme uses the "new"[^1] built-in theming support available starting with
 Emacs 24.1.
 
+[^1]: It used to be new in 2010 when I created this package.
+
 ![Overview screenshot](screenshots/overview.png)
 
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