diff --git a/airbyte-integrations/connectors/source-rki-covid/unit_tests/test_incremental_germanhistorycases.py b/airbyte-integrations/connectors/source-rki-covid/unit_tests/test_incremental_germanhistorycases.py
index b6a7db10b82e..b756f0840c92 100644
--- a/airbyte-integrations/connectors/source-rki-covid/unit_tests/test_incremental_germanhistorycases.py
+++ b/airbyte-integrations/connectors/source-rki-covid/unit_tests/test_incremental_germanhistorycases.py
@@ -12,7 +12,7 @@
 
 @fixture
 def patch_incremental_german_history_cases(mocker):
-    # Mock abstract methods to enable instantiating abstract class
+    # Mock abstract methods to enable instantiating abstract class.
     mocker.patch.object(GermanyHistoryCases, "primary_key", None)