diff --git a/tdrs-backend/tdpservice/parsers/test/test_header.py b/tdrs-backend/tdpservice/parsers/test/test_header.py
index 3b5876a70a..18079bc689 100644
--- a/tdrs-backend/tdpservice/parsers/test/test_header.py
+++ b/tdrs-backend/tdpservice/parsers/test/test_header.py
@@ -64,6 +64,7 @@ def test_header_cleanup(test_datafile):
 ])
 @pytest.mark.django_db
 def test_header_fields(test_datafile, header_line, is_valid, error):
+    """Test validate all header fields."""
     generate_error = util.make_generate_parser_error(test_datafile, 1)
     header, header_is_valid, header_errors = schema_defs.header.parse_and_validate(header_line,
                                                                                    generate_error)