diff --git a/README.md b/README.md
index 6a0d68e..e9026a5 100644
--- a/README.md
+++ b/README.md
@@ -26,3 +26,4 @@ have to guess words by slowly guessing the letters contained in it.
 Included in this repository are the following wordlists:
 
 * [3Blue1Brown Top English words -- `./data/wordlists/en_US_3b1b_freq_map.json`](https://github.com/3b1b/videos/tree/master/_2022/wordle/data)
+* TODO: [SUBTLEX-DE](https://osf.io/py9ba/files/osfstorage)