diff --git a/xgi/readwrite/xgi_data.py b/xgi/readwrite/xgi_data.py
index d23beb472..a99488817 100644
--- a/xgi/readwrite/xgi_data.py
+++ b/xgi/readwrite/xgi_data.py
@@ -1,3 +1,4 @@
+"""Load a data set from the xgi-data repository or a local file."""
 import json
 import os
 from functools import lru_cache