diff --git a/tests/test_version.py b/tests/test_version.py
index 383c0bb..1e7a2b6 100644
--- a/tests/test_version.py
+++ b/tests/test_version.py
@@ -1,4 +1,4 @@
-"""Tests for kg-registry"""
+"""Tests for kg-registry."""
 
 from unittest import TestCase