diff --git a/tests/functional_tests/test_functional_example.py b/tests/functional_tests/test_functional_example.py
index 50be652..c59e721 100644
--- a/tests/functional_tests/test_functional_example.py
+++ b/tests/functional_tests/test_functional_example.py
@@ -4,4 +4,5 @@
 
 
 def test_example():
+    """Example test function."""
     assert 1 == 1