diff --git a/spcd/util.py b/spcd/util.py
index f4710b2..9ea9dca 100644
--- a/spcd/util.py
+++ b/spcd/util.py
@@ -1,3 +1,5 @@
+"""Basic utilities."""
+
 import os
 from pathlib import Path
 from urllib.parse import urlparse, urlunparse