diff --git a/README.md b/README.md
index 2a596db..9d27fdb 100644
--- a/README.md
+++ b/README.md
@@ -351,4 +351,9 @@ Your contributions are always welcome! Please take a look at the
   To the extent possible under law, [Kevin Deldycke](https://kevin.deldycke.com)
 has waived all copyright and related or neighboring rights to this work.
 
+- The [header image](awesome-falsehood-header.jpg) is based on a modified
+[photo taken in February 2010 by Iza Bella](https://commons.wikimedia.org/wiki/File:BLW_Truth_and_Falsehood.jpg),
+distributed under a [Creative Commons BY-SA 2.0 UK
+license](https://creativecommons.org/licenses/by-sa/2.0/uk/deed.en).
+
 - <a name="intro-quote-def">[1]</a>: [*Notebooks, 1914-1916*, page 14e](https://archive.org/details/notebooks191419100witt/page/n35) (Harper & Brothers, New York, 1961). [\[↑\]](#intro-quote-ref)