diff --git a/unittests/test_issues.py b/unittests/test_issues.py
index a102b2823c6bb526547d3103c248e8db8fe219d2..e24afbe8b7be8d9a87d85819eccd3a4bf0d453e8 100644
--- a/unittests/test_issues.py
+++ b/unittests/test_issues.py
@@ -73,6 +73,8 @@ def test_issue_128():
     https://gitlab.com/linkahead/linkahead-pylib/-/issues/128.
 
     """
+    # Test assignement correct assignment for both datatype=DATETIME
+    # and datatype=LIST<DATETIME>, just to be sure.
     prop = db.Property(name="TestDatetime", datatype=db.DATETIME)
     prop_list = db.Property(name="TestListDatetime", datatype=db.LIST(db.DATETIME))